Home / 225,895.28-338,391.12-135,888.38

Finding the Fourth Proportional to 225,895.28, 338,391.12 and 135,888.38

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Solution

The fourth proportional to 225,895.28, 338,391.12 and 135,888.38 is: 203,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,895.28 : 338,391.12 = 135,888.38 : x
  2. Step 2: Convert to fraction form
    225,895.28/338,391.12 = 135,888.38/x
  3. Step 3: Cross multiply
    225,895.28x = 338,391.12 × 135,888.38
  4. Step 4: Simplify right side
    225,895.28x = 45,983,421,103.19
  5. Step 5: Solve for x
    x = 45,983,421,103.19/225,895.28
  6. Step 6: Final answer
    x = 203,560.79

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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.