Finding the Fourth Proportional to 378,424.51, 567,635.24 and 125,723.95
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Solution
The fourth proportional to 378,424.51, 567,635.24 and 125,723.95 is: 188,585.42
Step by Step Solution
- Step 1: Write the proportion equation
378,424.51 : 567,635.24 = 125,723.95 : x - Step 2: Convert to fraction form
378,424.51/567,635.24 = 125,723.95/x - Step 3: Cross multiply
378,424.51x = 567,635.24 × 125,723.95 - Step 4: Simplify right side
378,424.51x = 71,365,343,427.22 - Step 5: Solve for x
x = 71,365,343,427.22/378,424.51 - Step 6: Final answer
x = 188,585.42
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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.