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Finding the Fourth Proportional to 226,044.80, 339,261.60 and 99,879.20

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Solution

The fourth proportional to 226,044.80, 339,261.60 and 99,879.20 is: 149,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,044.80 : 339,261.60 = 99,879.20 : x
  2. Step 2: Convert to fraction form
    226,044.80/339,261.60 = 99,879.20/x
  3. Step 3: Cross multiply
    226,044.80x = 339,261.60 × 99,879.20
  4. Step 4: Simplify right side
    226,044.80x = 33,885,177,198.72
  5. Step 5: Solve for x
    x = 33,885,177,198.72/226,044.80
  6. Step 6: Final answer
    x = 149,904.70

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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.