RD SharmaSolutions for Class 6 Maths Chapter 9 Ratio Proportion and Unitary Method
A ratio is a way to compare two quantities by using division as in miles per hour, where we compare miles and hours. A proportion, on the other hand, is an equation that says that two ratios are equivalent. The order of terms in a proportion is essential. For example, 3, 8, 24, 64 are in Proportion, but 3, 8, 64, 24 are not in Proportion. The method in which first we find the value of one unit and then the value of the required number of units is known as the unitary method. Ratio and Proportion are used in our daily lives and has various essential applications like grocery shopping, recipes and cooking, planning vacation trips with families etc. It includes the concept of Ratio, properties of Ratio, comparison of Ratio, Equivalent Ratios, Concept of Proportion, Continued Proportion, Properties of Proportion, Proportion Problems and Word Problems using Proportion.