Home / 439,189.58-658,795.31-123,644.36

Finding the Fourth Proportional to 439,189.58, 658,795.31 and 123,644.36

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Solution

The fourth proportional to 439,189.58, 658,795.31 and 123,644.36 is: 185,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,189.58 : 658,795.31 = 123,644.36 : x
  2. Step 2: Convert to fraction form
    439,189.58/658,795.31 = 123,644.36/x
  3. Step 3: Cross multiply
    439,189.58x = 658,795.31 × 123,644.36
  4. Step 4: Simplify right side
    439,189.58x = 81,456,324,475.95
  5. Step 5: Solve for x
    x = 81,456,324,475.95/439,189.58
  6. Step 6: Final answer
    x = 185,469.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.