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Finding the Fourth Proportional to 226,444.80, 339,861.60 and 100,279.20

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Solution

The fourth proportional to 226,444.80, 339,861.60 and 100,279.20 is: 150,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,444.80 : 339,861.60 = 100,279.20 : x
  2. Step 2: Convert to fraction form
    226,444.80/339,861.60 = 100,279.20/x
  3. Step 3: Cross multiply
    226,444.80x = 339,861.60 × 100,279.20
  4. Step 4: Simplify right side
    226,444.80x = 34,081,049,358.72
  5. Step 5: Solve for x
    x = 34,081,049,358.72/226,444.80
  6. Step 6: Final answer
    x = 150,504.89

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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.