Home / 225,581.28-311,305.24-123,604.71

Finding the Fourth Proportional to 225,581.28, 311,305.24 and 123,604.71

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Solution

The fourth proportional to 225,581.28, 311,305.24 and 123,604.71 is: 170,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,581.28 : 311,305.24 = 123,604.71 : x
  2. Step 2: Convert to fraction form
    225,581.28/311,305.24 = 123,604.71/x
  3. Step 3: Cross multiply
    225,581.28x = 311,305.24 × 123,604.71
  4. Step 4: Simplify right side
    225,581.28x = 38,478,793,911.68
  5. Step 5: Solve for x
    x = 38,478,793,911.68/225,581.28
  6. Step 6: Final answer
    x = 170,576.18

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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.