Home / 268,327.80-402,540.30-134,872.20

Finding the Fourth Proportional to 268,327.80, 402,540.30 and 134,872.20

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Solution

The fourth proportional to 268,327.80, 402,540.30 and 134,872.20 is: 202,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,327.80 : 402,540.30 = 134,872.20 : x
  2. Step 2: Convert to fraction form
    268,327.80/402,540.30 = 134,872.20/x
  3. Step 3: Cross multiply
    268,327.80x = 402,540.30 × 134,872.20
  4. Step 4: Simplify right side
    268,327.80x = 54,291,495,849.66
  5. Step 5: Solve for x
    x = 54,291,495,849.66/268,327.80
  6. Step 6: Final answer
    x = 202,332.73

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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.