Finding the Fourth Proportional to 378,186.62, 567,347.40 and 125,482.28
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Solution
The fourth proportional to 378,186.62, 567,347.40 and 125,482.28 is: 188,245.81
Step by Step Solution
- Step 1: Write the proportion equation
378,186.62 : 567,347.40 = 125,482.28 : x - Step 2: Convert to fraction form
378,186.62/567,347.40 = 125,482.28/x - Step 3: Cross multiply
378,186.62x = 567,347.40 × 125,482.28 - Step 4: Simplify right side
378,186.62x = 71,192,045,304.07 - Step 5: Solve for x
x = 71,192,045,304.07/378,186.62 - Step 6: Final answer
x = 188,245.81
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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.