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Finding the Fourth Proportional to 269,823.50, 404,754.87 and 103,611.50

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Solution

The fourth proportional to 269,823.50, 404,754.87 and 103,611.50 is: 155,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,823.50 : 404,754.87 = 103,611.50 : x
  2. Step 2: Convert to fraction form
    269,823.50/404,754.87 = 103,611.50/x
  3. Step 3: Cross multiply
    269,823.50x = 404,754.87 × 103,611.50
  4. Step 4: Simplify right side
    269,823.50x = 41,937,259,213.01
  5. Step 5: Solve for x
    x = 41,937,259,213.01/269,823.50
  6. Step 6: Final answer
    x = 155,424.78

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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.