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Finding the Fourth Proportional to 180,342.75, 270,338.33 and 75,191.79

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Solution

The fourth proportional to 180,342.75, 270,338.33 and 75,191.79 is: 112,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,342.75 : 270,338.33 = 75,191.79 : x
  2. Step 2: Convert to fraction form
    180,342.75/270,338.33 = 75,191.79/x
  3. Step 3: Cross multiply
    180,342.75x = 270,338.33 × 75,191.79
  4. Step 4: Simplify right side
    180,342.75x = 20,327,222,562.35
  5. Step 5: Solve for x
    x = 20,327,222,562.35/180,342.75
  6. Step 6: Final answer
    x = 112,714.39

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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.