Finding the Fourth Proportional to 284,149.20, 426,293.97 and 84,468.74
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Solution
The fourth proportional to 284,149.20, 426,293.97 and 84,468.74 is: 126,723.97
Step by Step Solution
- Step 1: Write the proportion equation
284,149.20 : 426,293.97 = 84,468.74 : x - Step 2: Convert to fraction form
284,149.20/426,293.97 = 84,468.74/x - Step 3: Cross multiply
284,149.20x = 426,293.97 × 84,468.74 - Step 4: Simplify right side
284,149.20x = 36,008,514,940.31 - Step 5: Solve for x
x = 36,008,514,940.31/284,149.20 - Step 6: Final answer
x = 126,723.97
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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.