Finding the Fourth Proportional to 508,414.71, 762,626.42 and 129,335.79
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Solution
The fourth proportional to 508,414.71, 762,626.42 and 129,335.79 is: 194,004.79
Step by Step Solution
- Step 1: Write the proportion equation
508,414.71 : 762,626.42 = 129,335.79 : x - Step 2: Convert to fraction form
508,414.71/762,626.42 = 129,335.79/x - Step 3: Cross multiply
508,414.71x = 762,626.42 × 129,335.79 - Step 4: Simplify right side
508,414.71x = 98,634,890,505.57 - Step 5: Solve for x
x = 98,634,890,505.57/508,414.71 - Step 6: Final answer
x = 194,004.79
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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.