Finding the Fourth Proportional to 514,537.20, 771,805.80 and 159,587.10
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Solution
The fourth proportional to 514,537.20, 771,805.80 and 159,587.10 is: 239,380.65
Step by Step Solution
- Step 1: Write the proportion equation
514,537.20 : 771,805.80 = 159,587.10 : x - Step 2: Convert to fraction form
514,537.20/771,805.80 = 159,587.10/x - Step 3: Cross multiply
514,537.20x = 771,805.80 × 159,587.10 - Step 4: Simplify right side
514,537.20x = 123,170,249,385.18 - Step 5: Solve for x
x = 123,170,249,385.18/514,537.20 - Step 6: Final answer
x = 239,380.65
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Similar ratio
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1.5x scale
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.