Finding the Fourth Proportional to 416,154.76, 574,231.99 and 252,726.28
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Solution
The fourth proportional to 416,154.76, 574,231.99 and 252,726.28 is: 348,724.87
Step by Step Solution
- Step 1: Write the proportion equation
416,154.76 : 574,231.99 = 252,726.28 : x - Step 2: Convert to fraction form
416,154.76/574,231.99 = 252,726.28/x - Step 3: Cross multiply
416,154.76x = 574,231.99 × 252,726.28 - Step 4: Simplify right side
416,154.76x = 145,123,514,689.70 - Step 5: Solve for x
x = 145,123,514,689.70/416,154.76 - Step 6: Final answer
x = 348,724.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.