Finding the Fourth Proportional to 574,235.31, 861,287.35 and 153,543.99
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Solution
The fourth proportional to 574,235.31, 861,287.35 and 153,543.99 is: 230,298.43
Step by Step Solution
- Step 1: Write the proportion equation
574,235.31 : 861,287.35 = 153,543.99 : x - Step 2: Convert to fraction form
574,235.31/861,287.35 = 153,543.99/x - Step 3: Cross multiply
574,235.31x = 861,287.35 × 153,543.99 - Step 4: Simplify right side
574,235.31x = 132,245,491,565.23 - Step 5: Solve for x
x = 132,245,491,565.23/574,235.31 - Step 6: Final answer
x = 230,298.43
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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.