Finding the Fourth Proportional to 217,694.80, 326,230.68 and 124,006.96
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Solution
The fourth proportional to 217,694.80, 326,230.68 and 124,006.96 is: 185,832.99
Step by Step Solution
- Step 1: Write the proportion equation
217,694.80 : 326,230.68 = 124,006.96 : x - Step 2: Convert to fraction form
217,694.80/326,230.68 = 124,006.96/x - Step 3: Cross multiply
217,694.80x = 326,230.68 × 124,006.96 - Step 4: Simplify right side
217,694.80x = 40,454,874,885.53 - Step 5: Solve for x
x = 40,454,874,885.53/217,694.80 - Step 6: Final answer
x = 185,832.99
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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.