Home / 327,714.92-491,115.38-247,687.18

Finding the Fourth Proportional to 327,714.92, 491,115.38 and 247,687.18

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Solution

The fourth proportional to 327,714.92, 491,115.38 and 247,687.18 is: 371,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,714.92 : 491,115.38 = 247,687.18 : x
  2. Step 2: Convert to fraction form
    327,714.92/491,115.38 = 247,687.18/x
  3. Step 3: Cross multiply
    327,714.92x = 491,115.38 × 247,687.18
  4. Step 4: Simplify right side
    327,714.92x = 121,642,983,526.83
  5. Step 5: Solve for x
    x = 121,642,983,526.83/327,714.92
  6. Step 6: Final answer
    x = 371,185.37

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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.