Finding the Fourth Proportional to 284,046.48, 392,126.19 and 176,651.12
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Solution
The fourth proportional to 284,046.48, 392,126.19 and 176,651.12 is: 243,866.88
Step by Step Solution
- Step 1: Write the proportion equation
284,046.48 : 392,126.19 = 176,651.12 : x - Step 2: Convert to fraction form
284,046.48/392,126.19 = 176,651.12/x - Step 3: Cross multiply
284,046.48x = 392,126.19 × 176,651.12 - Step 4: Simplify right side
284,046.48x = 69,269,528,684.20 - Step 5: Solve for x
x = 69,269,528,684.20/284,046.48 - Step 6: Final answer
x = 243,866.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.