Finding the Fourth Proportional to 319,711.91, 441,202.46 and 176,471.99
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Solution
The fourth proportional to 319,711.91, 441,202.46 and 176,471.99 is: 243,531.35
Step by Step Solution
- Step 1: Write the proportion equation
319,711.91 : 441,202.46 = 176,471.99 : x - Step 2: Convert to fraction form
319,711.91/441,202.46 = 176,471.99/x - Step 3: Cross multiply
319,711.91x = 441,202.46 × 176,471.99 - Step 4: Simplify right side
319,711.91x = 77,859,873,020.72 - Step 5: Solve for x
x = 77,859,873,020.72/319,711.91 - Step 6: Final answer
x = 243,531.35
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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.