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Finding the Fourth Proportional to 224,351.73, 336,454.46 and 74,551.80

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Solution

The fourth proportional to 224,351.73, 336,454.46 and 74,551.80 is: 111,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,351.73 : 336,454.46 = 74,551.80 : x
  2. Step 2: Convert to fraction form
    224,351.73/336,454.46 = 74,551.80/x
  3. Step 3: Cross multiply
    224,351.73x = 336,454.46 × 74,551.80
  4. Step 4: Simplify right side
    224,351.73x = 25,083,285,611.03
  5. Step 5: Solve for x
    x = 25,083,285,611.03/224,351.73
  6. Step 6: Final answer
    x = 111,803.40

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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.