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Finding the Fourth Proportional to 179,377.20, 268,936.20 and 100,515.60

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Solution

The fourth proportional to 179,377.20, 268,936.20 and 100,515.60 is: 150,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,377.20 : 268,936.20 = 100,515.60 : x
  2. Step 2: Convert to fraction form
    179,377.20/268,936.20 = 100,515.60/x
  3. Step 3: Cross multiply
    179,377.20x = 268,936.20 × 100,515.60
  4. Step 4: Simplify right side
    179,377.20x = 27,032,283,504.72
  5. Step 5: Solve for x
    x = 27,032,283,504.72/179,377.20
  6. Step 6: Final answer
    x = 150,700.78

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1.5x scale

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.