Finding the Fourth Proportional to 272,007.24, 408,010.32 and 72,327.68
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Solution
The fourth proportional to 272,007.24, 408,010.32 and 72,327.68 is: 108,491.38
Step by Step Solution
- Step 1: Write the proportion equation
272,007.24 : 408,010.32 = 72,327.68 : x - Step 2: Convert to fraction form
272,007.24/408,010.32 = 72,327.68/x - Step 3: Cross multiply
272,007.24x = 408,010.32 × 72,327.68 - Step 4: Simplify right side
272,007.24x = 29,510,439,861.66 - Step 5: Solve for x
x = 29,510,439,861.66/272,007.24 - Step 6: Final answer
x = 108,491.38
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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.