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Finding the Fourth Proportional to 323,388.87, 485,176.94 and 133,814.24

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Solution

The fourth proportional to 323,388.87, 485,176.94 and 133,814.24 is: 200,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,388.87 : 485,176.94 = 133,814.24 : x
  2. Step 2: Convert to fraction form
    323,388.87/485,176.94 = 133,814.24/x
  3. Step 3: Cross multiply
    323,388.87x = 485,176.94 × 133,814.24
  4. Step 4: Simplify right side
    323,388.87x = 64,923,585,447.01
  5. Step 5: Solve for x
    x = 64,923,585,447.01/323,388.87
  6. Step 6: Final answer
    x = 200,760.11

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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.