Home / 439,738.98-659,476.44-187,017.36

Finding the Fourth Proportional to 439,738.98, 659,476.44 and 187,017.36

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Solution

The fourth proportional to 439,738.98, 659,476.44 and 187,017.36 is: 280,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,738.98 : 659,476.44 = 187,017.36 : x
  2. Step 2: Convert to fraction form
    439,738.98/659,476.44 = 187,017.36/x
  3. Step 3: Cross multiply
    439,738.98x = 659,476.44 × 187,017.36
  4. Step 4: Simplify right side
    439,738.98x = 123,333,542,791.00
  5. Step 5: Solve for x
    x = 123,333,542,791.00/439,738.98
  6. Step 6: Final answer
    x = 280,469.89

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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.