Home / 218,821.24-328,231.98-125,262.04

Finding the Fourth Proportional to 218,821.24, 328,231.98 and 125,262.04

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Solution

The fourth proportional to 218,821.24, 328,231.98 and 125,262.04 is: 187,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,821.24 : 328,231.98 = 125,262.04 : x
  2. Step 2: Convert to fraction form
    218,821.24/328,231.98 = 125,262.04/x
  3. Step 3: Cross multiply
    218,821.24x = 328,231.98 × 125,262.04
  4. Step 4: Simplify right side
    218,821.24x = 41,115,007,408.04
  5. Step 5: Solve for x
    x = 41,115,007,408.04/218,821.24
  6. Step 6: Final answer
    x = 187,893.13

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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.