Home / 225,442.90-338,014.29-135,282.61

Finding the Fourth Proportional to 225,442.90, 338,014.29 and 135,282.61

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Solution

The fourth proportional to 225,442.90, 338,014.29 and 135,282.61 is: 202,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,442.90 : 338,014.29 = 135,282.61 : x
  2. Step 2: Convert to fraction form
    225,442.90/338,014.29 = 135,282.61/x
  3. Step 3: Cross multiply
    225,442.90x = 338,014.29 × 135,282.61
  4. Step 4: Simplify right side
    225,442.90x = 45,727,455,368.50
  5. Step 5: Solve for x
    x = 45,727,455,368.50/225,442.90
  6. Step 6: Final answer
    x = 202,833.87

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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.