Home / 444,664.58-667,015.31-129,121.48

Finding the Fourth Proportional to 444,664.58, 667,015.31 and 129,121.48

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Solution

The fourth proportional to 444,664.58, 667,015.31 and 129,121.48 is: 193,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,664.58 : 667,015.31 = 129,121.48 : x
  2. Step 2: Convert to fraction form
    444,664.58/667,015.31 = 129,121.48/x
  3. Step 3: Cross multiply
    444,664.58x = 667,015.31 × 129,121.48
  4. Step 4: Simplify right side
    444,664.58x = 86,126,002,665.12
  5. Step 5: Solve for x
    x = 86,126,002,665.12/444,664.58
  6. Step 6: Final answer
    x = 193,687.57

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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.