Finding the Fourth Proportional to 209,693.43, 289,337.17 and 133,224.97
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Solution
The fourth proportional to 209,693.43, 289,337.17 and 133,224.97 is: 183,825.20
Step by Step Solution
- Step 1: Write the proportion equation
209,693.43 : 289,337.17 = 133,224.97 : x - Step 2: Convert to fraction form
209,693.43/289,337.17 = 133,224.97/x - Step 3: Cross multiply
209,693.43x = 289,337.17 × 133,224.97 - Step 4: Simplify right side
209,693.43x = 38,546,935,793.13 - Step 5: Solve for x
x = 38,546,935,793.13/209,693.43 - Step 6: Final answer
x = 183,825.20
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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.