Home / 327,039.21-451,129.46-205,972.47

Finding the Fourth Proportional to 327,039.21, 451,129.46 and 205,972.47

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Solution

The fourth proportional to 327,039.21, 451,129.46 and 205,972.47 is: 284,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,039.21 : 451,129.46 = 205,972.47 : x
  2. Step 2: Convert to fraction form
    327,039.21/451,129.46 = 205,972.47/x
  3. Step 3: Cross multiply
    327,039.21x = 451,129.46 × 205,972.47
  4. Step 4: Simplify right side
    327,039.21x = 92,920,248,136.10
  5. Step 5: Solve for x
    x = 92,920,248,136.10/327,039.21
  6. Step 6: Final answer
    x = 284,125.71

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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.