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Finding the Fourth Proportional to 339,261.60, 468,162.72 and 188,348.88

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Solution

The fourth proportional to 339,261.60, 468,162.72 and 188,348.88 is: 259,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,261.60 : 468,162.72 = 188,348.88 : x
  2. Step 2: Convert to fraction form
    339,261.60/468,162.72 = 188,348.88/x
  3. Step 3: Cross multiply
    339,261.60x = 468,162.72 × 188,348.88
  4. Step 4: Simplify right side
    339,261.60x = 88,177,923,969.75
  5. Step 5: Solve for x
    x = 88,177,923,969.75/339,261.60
  6. Step 6: Final answer
    x = 259,911.30

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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.