Home / 330,761.07-456,531.39-187,604.91

Finding the Fourth Proportional to 330,761.07, 456,531.39 and 187,604.91

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Solution

The fourth proportional to 330,761.07, 456,531.39 and 187,604.91 is: 258,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,761.07 : 456,531.39 = 187,604.91 : x
  2. Step 2: Convert to fraction form
    330,761.07/456,531.39 = 187,604.91/x
  3. Step 3: Cross multiply
    330,761.07x = 456,531.39 × 187,604.91
  4. Step 4: Simplify right side
    330,761.07x = 85,647,530,333.12
  5. Step 5: Solve for x
    x = 85,647,530,333.12/330,761.07
  6. Step 6: Final answer
    x = 258,940.78

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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.