Home / 331,589.28-457,576.92-188,330.52

Finding the Fourth Proportional to 331,589.28, 457,576.92 and 188,330.52

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Solution

The fourth proportional to 331,589.28, 457,576.92 and 188,330.52 is: 259,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,589.28 : 457,576.92 = 188,330.52 : x
  2. Step 2: Convert to fraction form
    331,589.28/457,576.92 = 188,330.52/x
  3. Step 3: Cross multiply
    331,589.28x = 457,576.92 × 188,330.52
  4. Step 4: Simplify right side
    331,589.28x = 86,175,699,283.60
  5. Step 5: Solve for x
    x = 86,175,699,283.60/331,589.28
  6. Step 6: Final answer
    x = 259,886.87

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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.