Finding the Fourth Proportional to 378,744.06, 568,115.37 and 220,861.80
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Solution
The fourth proportional to 378,744.06, 568,115.37 and 220,861.80 is: 331,292.28
Step by Step Solution
- Step 1: Write the proportion equation
378,744.06 : 568,115.37 = 220,861.80 : x - Step 2: Convert to fraction form
378,744.06/568,115.37 = 220,861.80/x - Step 3: Cross multiply
378,744.06x = 568,115.37 × 220,861.80 - Step 4: Simplify right side
378,744.06x = 125,474,983,225.87 - Step 5: Solve for x
x = 125,474,983,225.87/378,744.06 - Step 6: Final answer
x = 331,292.28
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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.