Home / 327,301.20-491,195.16-243,257.04

Finding the Fourth Proportional to 327,301.20, 491,195.16 and 243,257.04

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Solution

The fourth proportional to 327,301.20, 491,195.16 and 243,257.04 is: 365,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,301.20 : 491,195.16 = 243,257.04 : x
  2. Step 2: Convert to fraction form
    327,301.20/491,195.16 = 243,257.04/x
  3. Step 3: Cross multiply
    327,301.20x = 491,195.16 × 243,257.04
  4. Step 4: Simplify right side
    327,301.20x = 119,486,680,683.93
  5. Step 5: Solve for x
    x = 119,486,680,683.93/327,301.20
  6. Step 6: Final answer
    x = 365,066.43

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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.