Home / 254,439.40-381,659.10-88,244.20

Finding the Fourth Proportional to 254,439.40, 381,659.10 and 88,244.20

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Solution

The fourth proportional to 254,439.40, 381,659.10 and 88,244.20 is: 132,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,439.40 : 381,659.10 = 88,244.20 : x
  2. Step 2: Convert to fraction form
    254,439.40/381,659.10 = 88,244.20/x
  3. Step 3: Cross multiply
    254,439.40x = 381,659.10 × 88,244.20
  4. Step 4: Simplify right side
    254,439.40x = 33,679,201,952.22
  5. Step 5: Solve for x
    x = 33,679,201,952.22/254,439.40
  6. Step 6: Final answer
    x = 132,366.30

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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.