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Finding the Fourth Proportional to 297,191.22, 443,446.34 and 279,110.22

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Solution

The fourth proportional to 297,191.22, 443,446.34 and 279,110.22 is: 416,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,191.22 : 443,446.34 = 279,110.22 : x
  2. Step 2: Convert to fraction form
    297,191.22/443,446.34 = 279,110.22/x
  3. Step 3: Cross multiply
    297,191.22x = 443,446.34 × 279,110.22
  4. Step 4: Simplify right side
    297,191.22x = 123,770,404,120.04
  5. Step 5: Solve for x
    x = 123,770,404,120.04/297,191.22
  6. Step 6: Final answer
    x = 416,467.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.