Home / 230,039.20-344,949.42-80,261.36

Finding the Fourth Proportional to 230,039.20, 344,949.42 and 80,261.36

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Solution

The fourth proportional to 230,039.20, 344,949.42 and 80,261.36 is: 120,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,039.20 : 344,949.42 = 80,261.36 : x
  2. Step 2: Convert to fraction form
    230,039.20/344,949.42 = 80,261.36/x
  3. Step 3: Cross multiply
    230,039.20x = 344,949.42 × 80,261.36
  4. Step 4: Simplify right side
    230,039.20x = 27,686,109,580.41
  5. Step 5: Solve for x
    x = 27,686,109,580.41/230,039.20
  6. Step 6: Final answer
    x = 120,353.88

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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.