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Finding the Fourth Proportional to 331,370.88, 457,304.76 and 188,144.26

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Solution

The fourth proportional to 331,370.88, 457,304.76 and 188,144.26 is: 259,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,370.88 : 457,304.76 = 188,144.26 : x
  2. Step 2: Convert to fraction form
    331,370.88/457,304.76 = 188,144.26/x
  3. Step 3: Cross multiply
    331,370.88x = 457,304.76 × 188,144.26
  4. Step 4: Simplify right side
    331,370.88x = 86,039,265,664.68
  5. Step 5: Solve for x
    x = 86,039,265,664.68/331,370.88
  6. Step 6: Final answer
    x = 259,646.43

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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.