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Finding the Fourth Proportional to 224,524.78, 336,589.09 and 91,516.30

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Solution

The fourth proportional to 224,524.78, 336,589.09 and 91,516.30 is: 137,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,524.78 : 336,589.09 = 91,516.30 : x
  2. Step 2: Convert to fraction form
    224,524.78/336,589.09 = 91,516.30/x
  3. Step 3: Cross multiply
    224,524.78x = 336,589.09 × 91,516.30
  4. Step 4: Simplify right side
    224,524.78x = 30,803,387,066.90
  5. Step 5: Solve for x
    x = 30,803,387,066.90/224,524.78
  6. Step 6: Final answer
    x = 137,193.71

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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.