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Finding the Fourth Proportional to 255,229.55, 382,175.46 and 179,942.07

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Solution

The fourth proportional to 255,229.55, 382,175.46 and 179,942.07 is: 269,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,229.55 : 382,175.46 = 179,942.07 : x
  2. Step 2: Convert to fraction form
    255,229.55/382,175.46 = 179,942.07/x
  3. Step 3: Cross multiply
    255,229.55x = 382,175.46 × 179,942.07
  4. Step 4: Simplify right side
    255,229.55x = 68,769,443,375.60
  5. Step 5: Solve for x
    x = 68,769,443,375.60/255,229.55
  6. Step 6: Final answer
    x = 269,441.54

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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.