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Finding the Fourth Proportional to 202,213.90, 303,320.85 and 179,469.10

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Solution

The fourth proportional to 202,213.90, 303,320.85 and 179,469.10 is: 269,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,213.90 : 303,320.85 = 179,469.10 : x
  2. Step 2: Convert to fraction form
    202,213.90/303,320.85 = 179,469.10/x
  3. Step 3: Cross multiply
    202,213.90x = 303,320.85 × 179,469.10
  4. Step 4: Simplify right side
    202,213.90x = 54,436,719,960.74
  5. Step 5: Solve for x
    x = 54,436,719,960.74/202,213.90
  6. Step 6: Final answer
    x = 269,203.65

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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.