Home / 330,121.58-455,676.03-194,149.10

Finding the Fourth Proportional to 330,121.58, 455,676.03 and 194,149.10

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Solution

The fourth proportional to 330,121.58, 455,676.03 and 194,149.10 is: 267,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,121.58 : 455,676.03 = 194,149.10 : x
  2. Step 2: Convert to fraction form
    330,121.58/455,676.03 = 194,149.10/x
  3. Step 3: Cross multiply
    330,121.58x = 455,676.03 × 194,149.10
  4. Step 4: Simplify right side
    330,121.58x = 88,469,092,255.26
  5. Step 5: Solve for x
    x = 88,469,092,255.26/330,121.58
  6. Step 6: Final answer
    x = 267,989.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.