Finding the Fourth Proportional to 378,654.39, 568,148.36 and 294,288.14
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Solution
The fourth proportional to 378,654.39, 568,148.36 and 294,288.14 is: 441,561.83
Step by Step Solution
- Step 1: Write the proportion equation
378,654.39 : 568,148.36 = 294,288.14 : x - Step 2: Convert to fraction form
378,654.39/568,148.36 = 294,288.14/x - Step 3: Cross multiply
378,654.39x = 568,148.36 × 294,288.14 - Step 4: Simplify right side
378,654.39x = 167,199,324,057.38 - Step 5: Solve for x
x = 167,199,324,057.38/378,654.39 - Step 6: Final answer
x = 441,561.83
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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.