Home / 226,431.40-339,906.30-132,989.80

Finding the Fourth Proportional to 226,431.40, 339,906.30 and 132,989.80

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Solution

The fourth proportional to 226,431.40, 339,906.30 and 132,989.80 is: 199,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,431.40 : 339,906.30 = 132,989.80 : x
  2. Step 2: Convert to fraction form
    226,431.40/339,906.30 = 132,989.80/x
  3. Step 3: Cross multiply
    226,431.40x = 339,906.30 × 132,989.80
  4. Step 4: Simplify right side
    226,431.40x = 45,204,070,855.74
  5. Step 5: Solve for x
    x = 45,204,070,855.74/226,431.40
  6. Step 6: Final answer
    x = 199,636.94

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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.