Finding the Fourth Proportional to 319,882.92, 441,438.57 and 176,652.69
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Solution
The fourth proportional to 319,882.92, 441,438.57 and 176,652.69 is: 243,780.79
Step by Step Solution
- Step 1: Write the proportion equation
319,882.92 : 441,438.57 = 176,652.69 : x - Step 2: Convert to fraction form
319,882.92/441,438.57 = 176,652.69/x - Step 3: Cross multiply
319,882.92x = 441,438.57 × 176,652.69 - Step 4: Simplify right side
319,882.92x = 77,981,310,860.25 - Step 5: Solve for x
x = 77,981,310,860.25/319,882.92 - Step 6: Final answer
x = 243,780.79
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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.