Finding the Fourth Proportional to 397,261.92, 548,192.88 and 227,491.68
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Solution
The fourth proportional to 397,261.92, 548,192.88 and 227,491.68 is: 313,922.16
Step by Step Solution
- Step 1: Write the proportion equation
397,261.92 : 548,192.88 = 227,491.68 : x - Step 2: Convert to fraction form
397,261.92/548,192.88 = 227,491.68/x - Step 3: Cross multiply
397,261.92x = 548,192.88 × 227,491.68 - Step 4: Simplify right side
397,261.92x = 124,709,319,235.24 - Step 5: Solve for x
x = 124,709,319,235.24/397,261.92 - Step 6: Final answer
x = 313,922.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.