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Finding the Fourth Proportional to 298,727.10, 447,799.05 and 267,234.30

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Solution

The fourth proportional to 298,727.10, 447,799.05 and 267,234.30 is: 400,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,727.10 : 447,799.05 = 267,234.30 : x
  2. Step 2: Convert to fraction form
    298,727.10/447,799.05 = 267,234.30/x
  3. Step 3: Cross multiply
    298,727.10x = 447,799.05 × 267,234.30
  4. Step 4: Simplify right side
    298,727.10x = 119,667,265,667.42
  5. Step 5: Solve for x
    x = 119,667,265,667.42/298,727.10
  6. Step 6: Final answer
    x = 400,590.59

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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.