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Finding the Fourth Proportional to 224,772.23, 336,824.62 and 91,489.43

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Solution

The fourth proportional to 224,772.23, 336,824.62 and 91,489.43 is: 137,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,772.23 : 336,824.62 = 91,489.43 : x
  2. Step 2: Convert to fraction form
    224,772.23/336,824.62 = 91,489.43/x
  3. Step 3: Cross multiply
    224,772.23x = 336,824.62 × 91,489.43
  4. Step 4: Simplify right side
    224,772.23x = 30,815,892,493.77
  5. Step 5: Solve for x
    x = 30,815,892,493.77/224,772.23
  6. Step 6: Final answer
    x = 137,098.31

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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.