Finding the Fourth Proportional to 378,861.19, 567,839.86 and 176,183.69
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Solution
The fourth proportional to 378,861.19, 567,839.86 and 176,183.69 is: 264,065.38
Step by Step Solution
- Step 1: Write the proportion equation
378,861.19 : 567,839.86 = 176,183.69 : x - Step 2: Convert to fraction form
378,861.19/567,839.86 = 176,183.69/x - Step 3: Cross multiply
378,861.19x = 567,839.86 × 176,183.69 - Step 4: Simplify right side
378,861.19x = 100,044,123,926.14 - Step 5: Solve for x
x = 100,044,123,926.14/378,861.19 - Step 6: Final answer
x = 264,065.38
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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.