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Finding the Fourth Proportional to 224,131.66, 336,226.64 and 81,954.78

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Solution

The fourth proportional to 224,131.66, 336,226.64 and 81,954.78 is: 122,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,131.66 : 336,226.64 = 81,954.78 : x
  2. Step 2: Convert to fraction form
    224,131.66/336,226.64 = 81,954.78/x
  3. Step 3: Cross multiply
    224,131.66x = 336,226.64 × 81,954.78
  4. Step 4: Simplify right side
    224,131.66x = 27,555,380,311.34
  5. Step 5: Solve for x
    x = 27,555,380,311.34/224,131.66
  6. Step 6: Final answer
    x = 122,942.83

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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.