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Finding the Fourth Proportional to 299,268.40, 447,606.60 and 267,905.20

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Solution

The fourth proportional to 299,268.40, 447,606.60 and 267,905.20 is: 400,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,268.40 : 447,606.60 = 267,905.20 : x
  2. Step 2: Convert to fraction form
    299,268.40/447,606.60 = 267,905.20/x
  3. Step 3: Cross multiply
    299,268.40x = 447,606.60 × 267,905.20
  4. Step 4: Simplify right side
    299,268.40x = 119,916,135,694.32
  5. Step 5: Solve for x
    x = 119,916,135,694.32/299,268.40
  6. Step 6: Final answer
    x = 400,697.62

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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.