Finding the Fourth Proportional to 378,618.36, 567,932.49 and 125,898.87
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Solution
The fourth proportional to 378,618.36, 567,932.49 and 125,898.87 is: 188,849.95
Step by Step Solution
- Step 1: Write the proportion equation
378,618.36 : 567,932.49 = 125,898.87 : x - Step 2: Convert to fraction form
378,618.36/567,932.49 = 125,898.87/x - Step 3: Cross multiply
378,618.36x = 567,932.49 × 125,898.87 - Step 4: Simplify right side
378,618.36x = 71,502,058,727.29 - Step 5: Solve for x
x = 71,502,058,727.29/378,618.36 - Step 6: Final answer
x = 188,849.95
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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.