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Finding the Fourth Proportional to 267,335.90, 401,630.96 and 252,204.29

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Solution

The fourth proportional to 267,335.90, 401,630.96 and 252,204.29 is: 378,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,335.90 : 401,630.96 = 252,204.29 : x
  2. Step 2: Convert to fraction form
    267,335.90/401,630.96 = 252,204.29/x
  3. Step 3: Cross multiply
    267,335.90x = 401,630.96 × 252,204.29
  4. Step 4: Simplify right side
    267,335.90x = 101,293,051,108.82
  5. Step 5: Solve for x
    x = 101,293,051,108.82/267,335.90
  6. Step 6: Final answer
    x = 378,898.05

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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.