Finding the Fourth Proportional to 209,177.83, 288,689.97 and 124,294.96
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Solution
The fourth proportional to 209,177.83, 288,689.97 and 124,294.96 is: 171,541.64
Step by Step Solution
- Step 1: Write the proportion equation
209,177.83 : 288,689.97 = 124,294.96 : x - Step 2: Convert to fraction form
209,177.83/288,689.97 = 124,294.96/x - Step 3: Cross multiply
209,177.83x = 288,689.97 × 124,294.96 - Step 4: Simplify right side
209,177.83x = 35,882,708,273.55 - Step 5: Solve for x
x = 35,882,708,273.55/209,177.83 - Step 6: Final answer
x = 171,541.64
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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.