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Finding the Fourth Proportional to 331,441.80, 457,392.82 and 188,204.85

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Solution

The fourth proportional to 331,441.80, 457,392.82 and 188,204.85 is: 259,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,441.80 : 457,392.82 = 188,204.85 : x
  2. Step 2: Convert to fraction form
    331,441.80/457,392.82 = 188,204.85/x
  3. Step 3: Cross multiply
    331,441.80x = 457,392.82 × 188,204.85
  4. Step 4: Simplify right side
    331,441.80x = 86,083,546,138.15
  5. Step 5: Solve for x
    x = 86,083,546,138.15/331,441.80
  6. Step 6: Final answer
    x = 259,724.47

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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.