Home / 267,479.10-400,997.52-208,575.90

Finding the Fourth Proportional to 267,479.10, 400,997.52 and 208,575.90

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Solution

The fourth proportional to 267,479.10, 400,997.52 and 208,575.90 is: 312,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,479.10 : 400,997.52 = 208,575.90 : x
  2. Step 2: Convert to fraction form
    267,479.10/400,997.52 = 208,575.90/x
  3. Step 3: Cross multiply
    267,479.10x = 400,997.52 × 208,575.90
  4. Step 4: Simplify right side
    267,479.10x = 83,638,418,631.77
  5. Step 5: Solve for x
    x = 83,638,418,631.77/267,479.10
  6. Step 6: Final answer
    x = 312,691.42

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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.