Finding the Fourth Proportional to 159,589.11, 239,310.09 and 47,229.15
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Solution
The fourth proportional to 159,589.11, 239,310.09 and 47,229.15 is: 70,821.95
Step by Step Solution
- Step 1: Write the proportion equation
159,589.11 : 239,310.09 = 47,229.15 : x - Step 2: Convert to fraction form
159,589.11/239,310.09 = 47,229.15/x - Step 3: Cross multiply
159,589.11x = 239,310.09 × 47,229.15 - Step 4: Simplify right side
159,589.11x = 11,302,412,137.12 - Step 5: Solve for x
x = 11,302,412,137.12/159,589.11 - Step 6: Final answer
x = 70,821.95
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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.