Home / 371,919.60-558,025.20-135,286.20

Finding the Fourth Proportional to 371,919.60, 558,025.20 and 135,286.20

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Solution

The fourth proportional to 371,919.60, 558,025.20 and 135,286.20 is: 202,982.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,919.60 : 558,025.20 = 135,286.20 : x
  2. Step 2: Convert to fraction form
    371,919.60/558,025.20 = 135,286.20/x
  3. Step 3: Cross multiply
    371,919.60x = 558,025.20 × 135,286.20
  4. Step 4: Simplify right side
    371,919.60x = 75,493,108,812.24
  5. Step 5: Solve for x
    x = 75,493,108,812.24/371,919.60
  6. Step 6: Final answer
    x = 202,982.33

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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.