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Finding the Fourth Proportional to 331,704.60, 457,752.47 and 188,464.83

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Solution

The fourth proportional to 331,704.60, 457,752.47 and 188,464.83 is: 260,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,704.60 : 457,752.47 = 188,464.83 : x
  2. Step 2: Convert to fraction form
    331,704.60/457,752.47 = 188,464.83/x
  3. Step 3: Cross multiply
    331,704.60x = 457,752.47 × 188,464.83
  4. Step 4: Simplify right side
    331,704.60x = 86,270,241,440.63
  5. Step 5: Solve for x
    x = 86,270,241,440.63/331,704.60
  6. Step 6: Final answer
    x = 260,081.53

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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.