Home / 225,441.90-338,012.79-135,281.61

Finding the Fourth Proportional to 225,441.90, 338,012.79 and 135,281.61

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Solution

The fourth proportional to 225,441.90, 338,012.79 and 135,281.61 is: 202,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,441.90 : 338,012.79 = 135,281.61 : x
  2. Step 2: Convert to fraction form
    225,441.90/338,012.79 = 135,281.61/x
  3. Step 3: Cross multiply
    225,441.90x = 338,012.79 × 135,281.61
  4. Step 4: Simplify right side
    225,441.90x = 45,726,914,431.79
  5. Step 5: Solve for x
    x = 45,726,914,431.79/225,441.90
  6. Step 6: Final answer
    x = 202,832.37

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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.