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Finding the Fourth Proportional to 269,069, 403,604 and 252,627.54

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Solution

The fourth proportional to 269,069, 403,604 and 252,627.54 is: 378,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,069 : 403,604 = 252,627.54 : x
  2. Step 2: Convert to fraction form
    269,069/403,604 = 252,627.54/x
  3. Step 3: Cross multiply
    269,069x = 403,604 × 252,627.54
  4. Step 4: Simplify right side
    269,069x = 101,961,485,654.16
  5. Step 5: Solve for x
    x = 101,961,485,654.16/269,069
  6. Step 6: Final answer
    x = 378,941.78

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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.