Home / 275,787.27-380,255.31-199,183.95

Finding the Fourth Proportional to 275,787.27, 380,255.31 and 199,183.95

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Solution

The fourth proportional to 275,787.27, 380,255.31 and 199,183.95 is: 274,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,787.27 : 380,255.31 = 199,183.95 : x
  2. Step 2: Convert to fraction form
    275,787.27/380,255.31 = 199,183.95/x
  3. Step 3: Cross multiply
    275,787.27x = 380,255.31 × 199,183.95
  4. Step 4: Simplify right side
    275,787.27x = 75,740,754,654.27
  5. Step 5: Solve for x
    x = 75,740,754,654.27/275,787.27
  6. Step 6: Final answer
    x = 274,634.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.