Home / 218,768.20-328,162.73-106,314.44

Finding the Fourth Proportional to 218,768.20, 328,162.73 and 106,314.44

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Solution

The fourth proportional to 218,768.20, 328,162.73 and 106,314.44 is: 159,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,768.20 : 328,162.73 = 106,314.44 : x
  2. Step 2: Convert to fraction form
    218,768.20/328,162.73 = 106,314.44/x
  3. Step 3: Cross multiply
    218,768.20x = 328,162.73 × 106,314.44
  4. Step 4: Simplify right side
    218,768.20x = 34,888,436,868.82
  5. Step 5: Solve for x
    x = 34,888,436,868.82/218,768.20
  6. Step 6: Final answer
    x = 159,476.73

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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.