Home / 225,517.92-311,222.49-123,543.36

Finding the Fourth Proportional to 225,517.92, 311,222.49 and 123,543.36

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Solution

The fourth proportional to 225,517.92, 311,222.49 and 123,543.36 is: 170,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,517.92 : 311,222.49 = 123,543.36 : x
  2. Step 2: Convert to fraction form
    225,517.92/311,222.49 = 123,543.36/x
  3. Step 3: Cross multiply
    225,517.92x = 311,222.49 × 123,543.36
  4. Step 4: Simplify right side
    225,517.92x = 38,449,471,658.88
  5. Step 5: Solve for x
    x = 38,449,471,658.88/225,517.92
  6. Step 6: Final answer
    x = 170,494.08

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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.