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Finding the Fourth Proportional to 297,808.82, 446,796.60 and 120,440.38

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Solution

The fourth proportional to 297,808.82, 446,796.60 and 120,440.38 is: 180,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,808.82 : 446,796.60 = 120,440.38 : x
  2. Step 2: Convert to fraction form
    297,808.82/446,796.60 = 120,440.38/x
  3. Step 3: Cross multiply
    297,808.82x = 446,796.60 × 120,440.38
  4. Step 4: Simplify right side
    297,808.82x = 53,812,352,286.71
  5. Step 5: Solve for x
    x = 53,812,352,286.71/297,808.82
  6. Step 6: Final answer
    x = 180,694.29

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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.