Home / 437,981.81-655,785.56-227,176.88

Finding the Fourth Proportional to 437,981.81, 655,785.56 and 227,176.88

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Solution

The fourth proportional to 437,981.81, 655,785.56 and 227,176.88 is: 340,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,981.81 : 655,785.56 = 227,176.88 : x
  2. Step 2: Convert to fraction form
    437,981.81/655,785.56 = 227,176.88/x
  3. Step 3: Cross multiply
    437,981.81x = 655,785.56 × 227,176.88
  4. Step 4: Simplify right side
    437,981.81x = 148,979,316,333.97
  5. Step 5: Solve for x
    x = 148,979,316,333.97/437,981.81
  6. Step 6: Final answer
    x = 340,149.55

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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.