Finding the Fourth Proportional to 586,306.20, 879,750.90 and 231,331.80
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Solution
The fourth proportional to 586,306.20, 879,750.90 and 231,331.80 is: 347,112.75
Step by Step Solution
- Step 1: Write the proportion equation
586,306.20 : 879,750.90 = 231,331.80 : x - Step 2: Convert to fraction form
586,306.20/879,750.90 = 231,331.80/x - Step 3: Cross multiply
586,306.20x = 879,750.90 × 231,331.80 - Step 4: Simplify right side
586,306.20x = 203,514,359,248.62 - Step 5: Solve for x
x = 203,514,359,248.62/586,306.20 - Step 6: Final answer
x = 347,112.75
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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.