Home / 326,155.28-449,912.04-205,251.44

Finding the Fourth Proportional to 326,155.28, 449,912.04 and 205,251.44

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Solution

The fourth proportional to 326,155.28, 449,912.04 and 205,251.44 is: 283,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,155.28 : 449,912.04 = 205,251.44 : x
  2. Step 2: Convert to fraction form
    326,155.28/449,912.04 = 205,251.44/x
  3. Step 3: Cross multiply
    326,155.28x = 449,912.04 × 205,251.44
  4. Step 4: Simplify right side
    326,155.28x = 92,345,094,083.34
  5. Step 5: Solve for x
    x = 92,345,094,083.34/326,155.28
  6. Step 6: Final answer
    x = 283,132.30

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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.