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Finding the Fourth Proportional to 226,344.80, 339,184.87 and 113,870.42

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Solution

The fourth proportional to 226,344.80, 339,184.87 and 113,870.42 is: 170,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,344.80 : 339,184.87 = 113,870.42 : x
  2. Step 2: Convert to fraction form
    226,344.80/339,184.87 = 113,870.42/x
  3. Step 3: Cross multiply
    226,344.80x = 339,184.87 × 113,870.42
  4. Step 4: Simplify right side
    226,344.80x = 38,623,123,604.55
  5. Step 5: Solve for x
    x = 38,623,123,604.55/226,344.80
  6. Step 6: Final answer
    x = 170,638.44

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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.