Home / 331,179.85-457,030.38-187,942.29

Finding the Fourth Proportional to 331,179.85, 457,030.38 and 187,942.29

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Solution

The fourth proportional to 331,179.85, 457,030.38 and 187,942.29 is: 259,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,179.85 : 457,030.38 = 187,942.29 : x
  2. Step 2: Convert to fraction form
    331,179.85/457,030.38 = 187,942.29/x
  3. Step 3: Cross multiply
    331,179.85x = 457,030.38 × 187,942.29
  4. Step 4: Simplify right side
    331,179.85x = 85,895,333,931.62
  5. Step 5: Solve for x
    x = 85,895,333,931.62/331,179.85
  6. Step 6: Final answer
    x = 259,361.59

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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.