Finding the Fourth Proportional to 319,711.74, 441,202.14 and 176,471.75
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Solution
The fourth proportional to 319,711.74, 441,202.14 and 176,471.75 is: 243,530.97
Step by Step Solution
- Step 1: Write the proportion equation
319,711.74 : 441,202.14 = 176,471.75 : x - Step 2: Convert to fraction form
319,711.74/441,202.14 = 176,471.75/x - Step 3: Cross multiply
319,711.74x = 441,202.14 × 176,471.75 - Step 4: Simplify right side
319,711.74x = 77,859,711,543.53 - Step 5: Solve for x
x = 77,859,711,543.53/319,711.74 - Step 6: Final answer
x = 243,530.97
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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.