Finding the Fourth Proportional to 272,505.75, 408,862.67 and 106,306.71
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Solution
The fourth proportional to 272,505.75, 408,862.67 and 106,306.71 is: 159,500.65
Step by Step Solution
- Step 1: Write the proportion equation
272,505.75 : 408,862.67 = 106,306.71 : x - Step 2: Convert to fraction form
272,505.75/408,862.67 = 106,306.71/x - Step 3: Cross multiply
272,505.75x = 408,862.67 × 106,306.71 - Step 4: Simplify right side
272,505.75x = 43,464,844,757.98 - Step 5: Solve for x
x = 43,464,844,757.98/272,505.75 - Step 6: Final answer
x = 159,500.65
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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.