Home / 254,458.20-381,687.30-136,360.20

Finding the Fourth Proportional to 254,458.20, 381,687.30 and 136,360.20

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Solution

The fourth proportional to 254,458.20, 381,687.30 and 136,360.20 is: 204,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,458.20 : 381,687.30 = 136,360.20 : x
  2. Step 2: Convert to fraction form
    254,458.20/381,687.30 = 136,360.20/x
  3. Step 3: Cross multiply
    254,458.20x = 381,687.30 × 136,360.20
  4. Step 4: Simplify right side
    254,458.20x = 52,046,956,565.46
  5. Step 5: Solve for x
    x = 52,046,956,565.46/254,458.20
  6. Step 6: Final answer
    x = 204,540.30

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1.5x scale

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.