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Finding the Fourth Proportional to 103,448, 155,181 and 28,568.24

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Solution

The fourth proportional to 103,448, 155,181 and 28,568.24 is: 42,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,448 : 155,181 = 28,568.24 : x
  2. Step 2: Convert to fraction form
    103,448/155,181 = 28,568.24/x
  3. Step 3: Cross multiply
    103,448x = 155,181 × 28,568.24
  4. Step 4: Simplify right side
    103,448x = 4,433,248,051.44
  5. Step 5: Solve for x
    x = 4,433,248,051.44/103,448
  6. Step 6: Final answer
    x = 42,854.85

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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.