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Finding the Fourth Proportional to 269,813, 404,739.12 and 103,601

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Solution

The fourth proportional to 269,813, 404,739.12 and 103,601 is: 155,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,813 : 404,739.12 = 103,601 : x
  2. Step 2: Convert to fraction form
    269,813/404,739.12 = 103,601/x
  3. Step 3: Cross multiply
    269,813x = 404,739.12 × 103,601
  4. Step 4: Simplify right side
    269,813x = 41,931,377,571.12
  5. Step 5: Solve for x
    x = 41,931,377,571.12/269,813
  6. Step 6: Final answer
    x = 155,409.03

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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.