Finding the Fourth Proportional to 122,452.71, 183,749.92 and 51,368.99
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Solution
The fourth proportional to 122,452.71, 183,749.92 and 51,368.99 is: 77,083.20
Step by Step Solution
- Step 1: Write the proportion equation
122,452.71 : 183,749.92 = 51,368.99 : x - Step 2: Convert to fraction form
122,452.71/183,749.92 = 51,368.99/x - Step 3: Cross multiply
122,452.71x = 183,749.92 × 51,368.99 - Step 4: Simplify right side
122,452.71x = 9,439,046,755.81 - Step 5: Solve for x
x = 9,439,046,755.81/122,452.71 - Step 6: Final answer
x = 77,083.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.