Finding the Fourth Proportional to 217,711.54, 326,691.68 and 84,574.46
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Solution
The fourth proportional to 217,711.54, 326,691.68 and 84,574.46 is: 126,910.00
Step by Step Solution
- Step 1: Write the proportion equation
217,711.54 : 326,691.68 = 84,574.46 : x - Step 2: Convert to fraction form
217,711.54/326,691.68 = 84,574.46/x - Step 3: Cross multiply
217,711.54x = 326,691.68 × 84,574.46 - Step 4: Simplify right side
217,711.54x = 27,629,772,422.49 - Step 5: Solve for x
x = 27,629,772,422.49/217,711.54 - Step 6: Final answer
x = 126,910.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.