Finding the Fourth Proportional to 508,082.92, 762,124.71 and 129,032.08
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Solution
The fourth proportional to 508,082.92, 762,124.71 and 129,032.08 is: 193,548.20
Step by Step Solution
- Step 1: Write the proportion equation
508,082.92 : 762,124.71 = 129,032.08 : x - Step 2: Convert to fraction form
508,082.92/762,124.71 = 129,032.08/x - Step 3: Cross multiply
508,082.92x = 762,124.71 × 129,032.08 - Step 4: Simplify right side
508,082.92x = 98,338,535,129.26 - Step 5: Solve for x
x = 98,338,535,129.26/508,082.92 - Step 6: Final answer
x = 193,548.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.