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Finding the Fourth Proportional to 275,788.74, 413,546.88 and 161,965.10

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Solution

The fourth proportional to 275,788.74, 413,546.88 and 161,965.10 is: 242,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,788.74 : 413,546.88 = 161,965.10 : x
  2. Step 2: Convert to fraction form
    275,788.74/413,546.88 = 161,965.10/x
  3. Step 3: Cross multiply
    275,788.74x = 413,546.88 × 161,965.10
  4. Step 4: Simplify right side
    275,788.74x = 66,980,161,773.89
  5. Step 5: Solve for x
    x = 66,980,161,773.89/275,788.74
  6. Step 6: Final answer
    x = 242,867.64

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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.