Finding the Fourth Proportional to 378,542.08, 566,632.14 and 278,814.88
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Solution
The fourth proportional to 378,542.08, 566,632.14 and 278,814.88 is: 417,352.47
Step by Step Solution
- Step 1: Write the proportion equation
378,542.08 : 566,632.14 = 278,814.88 : x - Step 2: Convert to fraction form
378,542.08/566,632.14 = 278,814.88/x - Step 3: Cross multiply
378,542.08x = 566,632.14 × 278,814.88 - Step 4: Simplify right side
378,542.08x = 157,985,472,118.24 - Step 5: Solve for x
x = 157,985,472,118.24/378,542.08 - Step 6: Final answer
x = 417,352.47
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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.