Finding the Fourth Proportional to 265,474.08, 398,239.92 and 132,387.84
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Solution
The fourth proportional to 265,474.08, 398,239.92 and 132,387.84 is: 198,596.12
Step by Step Solution
- Step 1: Write the proportion equation
265,474.08 : 398,239.92 = 132,387.84 : x - Step 2: Convert to fraction form
265,474.08/398,239.92 = 132,387.84/x - Step 3: Cross multiply
265,474.08x = 398,239.92 × 132,387.84 - Step 4: Simplify right side
265,474.08x = 52,722,122,810.57 - Step 5: Solve for x
x = 52,722,122,810.57/265,474.08 - Step 6: Final answer
x = 198,596.12
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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.