Home / 225,538.11-338,266.27-90,596.75

Finding the Fourth Proportional to 225,538.11, 338,266.27 and 90,596.75

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Solution

The fourth proportional to 225,538.11, 338,266.27 and 90,596.75 is: 135,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,538.11 : 338,266.27 = 90,596.75 : x
  2. Step 2: Convert to fraction form
    225,538.11/338,266.27 = 90,596.75/x
  3. Step 3: Cross multiply
    225,538.11x = 338,266.27 × 90,596.75
  4. Step 4: Simplify right side
    225,538.11x = 30,645,822,552.31
  5. Step 5: Solve for x
    x = 30,645,822,552.31/225,538.11
  6. Step 6: Final answer
    x = 135,878.69

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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.