Finding the Fourth Proportional to 284,597.99, 392,711.78 and 157,265.99
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Solution
The fourth proportional to 284,597.99, 392,711.78 and 157,265.99 is: 217,008.58
Step by Step Solution
- Step 1: Write the proportion equation
284,597.99 : 392,711.78 = 157,265.99 : x - Step 2: Convert to fraction form
284,597.99/392,711.78 = 157,265.99/x - Step 3: Cross multiply
284,597.99x = 392,711.78 × 157,265.99 - Step 4: Simplify right side
284,597.99x = 61,760,204,116.47 - Step 5: Solve for x
x = 61,760,204,116.47/284,597.99 - Step 6: Final answer
x = 217,008.58
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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.