Home / 225,560.43-311,275.91-123,586.09

Finding the Fourth Proportional to 225,560.43, 311,275.91 and 123,586.09

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Solution

The fourth proportional to 225,560.43, 311,275.91 and 123,586.09 is: 170,550.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,560.43 : 311,275.91 = 123,586.09 : x
  2. Step 2: Convert to fraction form
    225,560.43/311,275.91 = 123,586.09/x
  3. Step 3: Cross multiply
    225,560.43x = 311,275.91 × 123,586.09
  4. Step 4: Simplify right side
    225,560.43x = 38,469,372,158.87
  5. Step 5: Solve for x
    x = 38,469,372,158.87/225,560.43
  6. Step 6: Final answer
    x = 170,550.18

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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.