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Finding the Fourth Proportional to 267,084.08, 400,665.59 and 77,519.88

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Solution

The fourth proportional to 267,084.08, 400,665.59 and 77,519.88 is: 116,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,084.08 : 400,665.59 = 77,519.88 : x
  2. Step 2: Convert to fraction form
    267,084.08/400,665.59 = 77,519.88/x
  3. Step 3: Cross multiply
    267,084.08x = 400,665.59 × 77,519.88
  4. Step 4: Simplify right side
    267,084.08x = 31,059,548,650.73
  5. Step 5: Solve for x
    x = 31,059,548,650.73/267,084.08
  6. Step 6: Final answer
    x = 116,291.28

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1.5x scale

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.