Home / 327,588.17-491,384.99-90,949.30

Finding the Fourth Proportional to 327,588.17, 491,384.99 and 90,949.30

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Solution

The fourth proportional to 327,588.17, 491,384.99 and 90,949.30 is: 136,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,588.17 : 491,384.99 = 90,949.30 : x
  2. Step 2: Convert to fraction form
    327,588.17/491,384.99 = 90,949.30/x
  3. Step 3: Cross multiply
    327,588.17x = 491,384.99 × 90,949.30
  4. Step 4: Simplify right side
    327,588.17x = 44,691,119,869.92
  5. Step 5: Solve for x
    x = 44,691,119,869.92/327,588.17
  6. Step 6: Final answer
    x = 136,424.71

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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.