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Finding the Fourth Proportional to 226,692.60, 339,747.30 and 137,851.80

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Solution

The fourth proportional to 226,692.60, 339,747.30 and 137,851.80 is: 206,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,692.60 : 339,747.30 = 137,851.80 : x
  2. Step 2: Convert to fraction form
    226,692.60/339,747.30 = 137,851.80/x
  3. Step 3: Cross multiply
    226,692.60x = 339,747.30 × 137,851.80
  4. Step 4: Simplify right side
    226,692.60x = 46,834,776,850.14
  5. Step 5: Solve for x
    x = 46,834,776,850.14/226,692.60
  6. Step 6: Final answer
    x = 206,600.38

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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.