Home / 321,759.20-444,027.76-178,518.91

Finding the Fourth Proportional to 321,759.20, 444,027.76 and 178,518.91

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Solution

The fourth proportional to 321,759.20, 444,027.76 and 178,518.91 is: 246,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,759.20 : 444,027.76 = 178,518.91 : x
  2. Step 2: Convert to fraction form
    321,759.20/444,027.76 = 178,518.91/x
  3. Step 3: Cross multiply
    321,759.20x = 444,027.76 × 178,518.91
  4. Step 4: Simplify right side
    321,759.20x = 79,267,351,724.94
  5. Step 5: Solve for x
    x = 79,267,351,724.94/321,759.20
  6. Step 6: Final answer
    x = 246,356.13

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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.