Finding the Fourth Proportional to 378,232.77, 567,398.34 and 138,309.31
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Solution
The fourth proportional to 378,232.77, 567,398.34 and 138,309.31 is: 207,481.95
Step by Step Solution
- Step 1: Write the proportion equation
378,232.77 : 567,398.34 = 138,309.31 : x - Step 2: Convert to fraction form
378,232.77/567,398.34 = 138,309.31/x - Step 3: Cross multiply
378,232.77x = 567,398.34 × 138,309.31 - Step 4: Simplify right side
378,232.77x = 78,476,472,900.55 - Step 5: Solve for x
x = 78,476,472,900.55/378,232.77 - Step 6: Final answer
x = 207,481.95
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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.