Finding the Fourth Proportional to 284,489.52, 426,734.26 and 84,950.02
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Solution
The fourth proportional to 284,489.52, 426,734.26 and 84,950.02 is: 127,425.02
Step by Step Solution
- Step 1: Write the proportion equation
284,489.52 : 426,734.26 = 84,950.02 : x - Step 2: Convert to fraction form
284,489.52/426,734.26 = 84,950.02/x - Step 3: Cross multiply
284,489.52x = 426,734.26 × 84,950.02 - Step 4: Simplify right side
284,489.52x = 36,251,083,921.69 - Step 5: Solve for x
x = 36,251,083,921.69/284,489.52 - Step 6: Final answer
x = 127,425.02
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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.