Finding the Fourth Proportional to 378,585.20, 567,754.88 and 125,797.82
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Solution
The fourth proportional to 378,585.20, 567,754.88 and 125,797.82 is: 188,655.89
Step by Step Solution
- Step 1: Write the proportion equation
378,585.20 : 567,754.88 = 125,797.82 : x - Step 2: Convert to fraction form
378,585.20/567,754.88 = 125,797.82/x - Step 3: Cross multiply
378,585.20x = 567,754.88 × 125,797.82 - Step 4: Simplify right side
378,585.20x = 71,422,326,198.36 - Step 5: Solve for x
x = 71,422,326,198.36/378,585.20 - Step 6: Final answer
x = 188,655.89
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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.