Finding the Fourth Proportional to 284,073.96, 392,163.99 and 176,678.61
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Solution
The fourth proportional to 284,073.96, 392,163.99 and 176,678.61 is: 243,904.75
Step by Step Solution
- Step 1: Write the proportion equation
284,073.96 : 392,163.99 = 176,678.61 : x - Step 2: Convert to fraction form
284,073.96/392,163.99 = 176,678.61/x - Step 3: Cross multiply
284,073.96x = 392,163.99 × 176,678.61 - Step 4: Simplify right side
284,073.96x = 69,286,988,645.25 - Step 5: Solve for x
x = 69,286,988,645.25/284,073.96 - Step 6: Final answer
x = 243,904.75
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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.