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Finding the Fourth Proportional to 275,006.75, 411,870.42 and 267,439.32

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Solution

The fourth proportional to 275,006.75, 411,870.42 and 267,439.32 is: 400,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,006.75 : 411,870.42 = 267,439.32 : x
  2. Step 2: Convert to fraction form
    275,006.75/411,870.42 = 267,439.32/x
  3. Step 3: Cross multiply
    275,006.75x = 411,870.42 × 267,439.32
  4. Step 4: Simplify right side
    275,006.75x = 110,150,345,052.91
  5. Step 5: Solve for x
    x = 110,150,345,052.91/275,006.75
  6. Step 6: Final answer
    x = 400,536.89

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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.