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Finding the Fourth Proportional to 445,296.96, 667,955.16 and 267,952.32

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Solution

The fourth proportional to 445,296.96, 667,955.16 and 267,952.32 is: 401,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,296.96 : 667,955.16 = 267,952.32 : x
  2. Step 2: Convert to fraction form
    445,296.96/667,955.16 = 267,952.32/x
  3. Step 3: Cross multiply
    445,296.96x = 667,955.16 × 267,952.32
  4. Step 4: Simplify right side
    445,296.96x = 178,980,134,777.97
  5. Step 5: Solve for x
    x = 178,980,134,777.97/445,296.96
  6. Step 6: Final answer
    x = 401,934.33

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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.