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Finding the Fourth Proportional to 224,524.95, 336,608.52 and 129,647.41

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Solution

The fourth proportional to 224,524.95, 336,608.52 and 129,647.41 is: 194,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,524.95 : 336,608.52 = 129,647.41 : x
  2. Step 2: Convert to fraction form
    224,524.95/336,608.52 = 129,647.41/x
  3. Step 3: Cross multiply
    224,524.95x = 336,608.52 × 129,647.41
  4. Step 4: Simplify right side
    224,524.95x = 43,640,422,801.93
  5. Step 5: Solve for x
    x = 43,640,422,801.93/224,524.95
  6. Step 6: Final answer
    x = 194,367.81

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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.