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Finding the Fourth Proportional to 273,839.30, 410,805.65 and 122,091.44

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Solution

The fourth proportional to 273,839.30, 410,805.65 and 122,091.44 is: 183,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,839.30 : 410,805.65 = 122,091.44 : x
  2. Step 2: Convert to fraction form
    273,839.30/410,805.65 = 122,091.44/x
  3. Step 3: Cross multiply
    273,839.30x = 410,805.65 × 122,091.44
  4. Step 4: Simplify right side
    273,839.30x = 50,155,850,704.15
  5. Step 5: Solve for x
    x = 50,155,850,704.15/273,839.30
  6. Step 6: Final answer
    x = 183,157.97

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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.