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Finding the Fourth Proportional to 275,250.63, 379,773.32 and 158,935.44

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Solution

The fourth proportional to 275,250.63, 379,773.32 and 158,935.44 is: 219,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,250.63 : 379,773.32 = 158,935.44 : x
  2. Step 2: Convert to fraction form
    275,250.63/379,773.32 = 158,935.44/x
  3. Step 3: Cross multiply
    275,250.63x = 379,773.32 × 158,935.44
  4. Step 4: Simplify right side
    275,250.63x = 60,359,438,919.78
  5. Step 5: Solve for x
    x = 60,359,438,919.78/275,250.63
  6. Step 6: Final answer
    x = 219,289.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.