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Finding the Fourth Proportional to 255,176.78, 352,141.16 and 140,452.97

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Solution

The fourth proportional to 255,176.78, 352,141.16 and 140,452.97 is: 193,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,176.78 : 352,141.16 = 140,452.97 : x
  2. Step 2: Convert to fraction form
    255,176.78/352,141.16 = 140,452.97/x
  3. Step 3: Cross multiply
    255,176.78x = 352,141.16 × 140,452.97
  4. Step 4: Simplify right side
    255,176.78x = 49,459,269,318.27
  5. Step 5: Solve for x
    x = 49,459,269,318.27/255,176.78
  6. Step 6: Final answer
    x = 193,823.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.