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Finding the Fourth Proportional to 297,471.82, 445,732.02 and 267,258.40

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Solution

The fourth proportional to 297,471.82, 445,732.02 and 267,258.40 is: 400,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,471.82 : 445,732.02 = 267,258.40 : x
  2. Step 2: Convert to fraction form
    297,471.82/445,732.02 = 267,258.40/x
  3. Step 3: Cross multiply
    297,471.82x = 445,732.02 × 267,258.40
  4. Step 4: Simplify right side
    297,471.82x = 119,125,626,493.97
  5. Step 5: Solve for x
    x = 119,125,626,493.97/297,471.82
  6. Step 6: Final answer
    x = 400,460.21

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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.