Home / 327,719.85-491,575.56-178,908.18

Finding the Fourth Proportional to 327,719.85, 491,575.56 and 178,908.18

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Solution

The fourth proportional to 327,719.85, 491,575.56 and 178,908.18 is: 268,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,719.85 : 491,575.56 = 178,908.18 : x
  2. Step 2: Convert to fraction form
    327,719.85/491,575.56 = 178,908.18/x
  3. Step 3: Cross multiply
    327,719.85x = 491,575.56 × 178,908.18
  4. Step 4: Simplify right side
    327,719.85x = 87,946,888,772.08
  5. Step 5: Solve for x
    x = 87,946,888,772.08/327,719.85
  6. Step 6: Final answer
    x = 268,359.97

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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.