Home / 329,609.40-494,414.10-228,132.60

Finding the Fourth Proportional to 329,609.40, 494,414.10 and 228,132.60

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Solution

The fourth proportional to 329,609.40, 494,414.10 and 228,132.60 is: 342,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,609.40 : 494,414.10 = 228,132.60 : x
  2. Step 2: Convert to fraction form
    329,609.40/494,414.10 = 228,132.60/x
  3. Step 3: Cross multiply
    329,609.40x = 494,414.10 × 228,132.60
  4. Step 4: Simplify right side
    329,609.40x = 112,791,974,109.66
  5. Step 5: Solve for x
    x = 112,791,974,109.66/329,609.40
  6. Step 6: Final answer
    x = 342,198.90

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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.