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Finding the Fourth Proportional to 482,287.03, 665,589.57 and 267,447.09

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Solution

The fourth proportional to 482,287.03, 665,589.57 and 267,447.09 is: 369,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,287.03 : 665,589.57 = 267,447.09 : x
  2. Step 2: Convert to fraction form
    482,287.03/665,589.57 = 267,447.09/x
  3. Step 3: Cross multiply
    482,287.03x = 665,589.57 × 267,447.09
  4. Step 4: Simplify right side
    482,287.03x = 178,009,993,630.85
  5. Step 5: Solve for x
    x = 178,009,993,630.85/482,287.03
  6. Step 6: Final answer
    x = 369,095.54

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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.