Home / 331,654.82-457,685.18-188,422.73

Finding the Fourth Proportional to 331,654.82, 457,685.18 and 188,422.73

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Solution

The fourth proportional to 331,654.82, 457,685.18 and 188,422.73 is: 260,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,654.82 : 457,685.18 = 188,422.73 : x
  2. Step 2: Convert to fraction form
    331,654.82/457,685.18 = 188,422.73/x
  3. Step 3: Cross multiply
    331,654.82x = 457,685.18 × 188,422.73
  4. Step 4: Simplify right side
    331,654.82x = 86,238,287,865.60
  5. Step 5: Solve for x
    x = 86,238,287,865.60/331,654.82
  6. Step 6: Final answer
    x = 260,024.23

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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.