Home / 320,839.43-481,732.24-178,961.91

Finding the Fourth Proportional to 320,839.43, 481,732.24 and 178,961.91

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Solution

The fourth proportional to 320,839.43, 481,732.24 and 178,961.91 is: 268,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,839.43 : 481,732.24 = 178,961.91 : x
  2. Step 2: Convert to fraction form
    320,839.43/481,732.24 = 178,961.91/x
  3. Step 3: Cross multiply
    320,839.43x = 481,732.24 × 178,961.91
  4. Step 4: Simplify right side
    320,839.43x = 86,211,719,357.30
  5. Step 5: Solve for x
    x = 86,211,719,357.30/320,839.43
  6. Step 6: Final answer
    x = 268,706.75

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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.