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Finding the Fourth Proportional to 226,180.40, 339,270.60 and 131,572.40

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Solution

The fourth proportional to 226,180.40, 339,270.60 and 131,572.40 is: 197,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,180.40 : 339,270.60 = 131,572.40 : x
  2. Step 2: Convert to fraction form
    226,180.40/339,270.60 = 131,572.40/x
  3. Step 3: Cross multiply
    226,180.40x = 339,270.60 × 131,572.40
  4. Step 4: Simplify right side
    226,180.40x = 44,638,647,091.44
  5. Step 5: Solve for x
    x = 44,638,647,091.44/226,180.40
  6. Step 6: Final answer
    x = 197,358.60

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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.