Finding the Fourth Proportional to 378,532.65, 567,855.87 and 122,279.68
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Solution
The fourth proportional to 378,532.65, 567,855.87 and 122,279.68 is: 183,437.90
Step by Step Solution
- Step 1: Write the proportion equation
378,532.65 : 567,855.87 = 122,279.68 : x - Step 2: Convert to fraction form
378,532.65/567,855.87 = 122,279.68/x - Step 3: Cross multiply
378,532.65x = 567,855.87 × 122,279.68 - Step 4: Simplify right side
378,532.65x = 69,437,234,069.72 - Step 5: Solve for x
x = 69,437,234,069.72/378,532.65 - Step 6: Final answer
x = 183,437.90
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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.