Home / 330,372.12-495,754.20-120,026.46

Finding the Fourth Proportional to 330,372.12, 495,754.20 and 120,026.46

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Solution

The fourth proportional to 330,372.12, 495,754.20 and 120,026.46 is: 180,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,372.12 : 495,754.20 = 120,026.46 : x
  2. Step 2: Convert to fraction form
    330,372.12/495,754.20 = 120,026.46/x
  3. Step 3: Cross multiply
    330,372.12x = 495,754.20 × 120,026.46
  4. Step 4: Simplify right side
    330,372.12x = 59,503,621,656.13
  5. Step 5: Solve for x
    x = 59,503,621,656.13/330,372.12
  6. Step 6: Final answer
    x = 180,110.91

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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.