Finding the Fourth Proportional to 378,996.57, 568,304.69 and 126,188.01
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Solution
The fourth proportional to 378,996.57, 568,304.69 and 126,188.01 is: 189,218.70
Step by Step Solution
- Step 1: Write the proportion equation
378,996.57 : 568,304.69 = 126,188.01 : x - Step 2: Convert to fraction form
378,996.57/568,304.69 = 126,188.01/x - Step 3: Cross multiply
378,996.57x = 568,304.69 × 126,188.01 - Step 4: Simplify right side
378,996.57x = 71,713,237,273.83 - Step 5: Solve for x
x = 71,713,237,273.83/378,996.57 - Step 6: Final answer
x = 189,218.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.