Finding the Fourth Proportional to 378,571.68, 567,966.96 and 122,398.80
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Solution
The fourth proportional to 378,571.68, 567,966.96 and 122,398.80 is: 183,633.58
Step by Step Solution
- Step 1: Write the proportion equation
378,571.68 : 567,966.96 = 122,398.80 : x - Step 2: Convert to fraction form
378,571.68/567,966.96 = 122,398.80/x - Step 3: Cross multiply
378,571.68x = 567,966.96 × 122,398.80 - Step 4: Simplify right side
378,571.68x = 69,518,474,343.65 - Step 5: Solve for x
x = 69,518,474,343.65/378,571.68 - Step 6: Final answer
x = 183,633.58
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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.