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Finding the Fourth Proportional to 259,773.84, 389,369.16 and 169,988.88

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Solution

The fourth proportional to 259,773.84, 389,369.16 and 169,988.88 is: 254,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,773.84 : 389,369.16 = 169,988.88 : x
  2. Step 2: Convert to fraction form
    259,773.84/389,369.16 = 169,988.88/x
  3. Step 3: Cross multiply
    259,773.84x = 389,369.16 × 169,988.88
  4. Step 4: Simplify right side
    259,773.84x = 66,188,427,414.94
  5. Step 5: Solve for x
    x = 66,188,427,414.94/259,773.84
  6. Step 6: Final answer
    x = 254,792.50

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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.