Home / 275,310.28-412,886.04-75,637.18

Finding the Fourth Proportional to 275,310.28, 412,886.04 and 75,637.18

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Solution

The fourth proportional to 275,310.28, 412,886.04 and 75,637.18 is: 113,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,310.28 : 412,886.04 = 75,637.18 : x
  2. Step 2: Convert to fraction form
    275,310.28/412,886.04 = 75,637.18/x
  3. Step 3: Cross multiply
    275,310.28x = 412,886.04 × 75,637.18
  4. Step 4: Simplify right side
    275,310.28x = 31,229,535,726.97
  5. Step 5: Solve for x
    x = 31,229,535,726.97/275,310.28
  6. Step 6: Final answer
    x = 113,433.96

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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.