Finding the Fourth Proportional to 80,176.92, 120,306.88 and 58,171.92
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Solution
The fourth proportional to 80,176.92, 120,306.88 and 58,171.92 is: 87,287.99
Step by Step Solution
- Step 1: Write the proportion equation
80,176.92 : 120,306.88 = 58,171.92 : x - Step 2: Convert to fraction form
80,176.92/120,306.88 = 58,171.92/x - Step 3: Cross multiply
80,176.92x = 120,306.88 × 58,171.92 - Step 4: Simplify right side
80,176.92x = 6,998,482,198.81 - Step 5: Solve for x
x = 6,998,482,198.81/80,176.92 - Step 6: Final answer
x = 87,287.99
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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.