Home / 321,849.54-444,152.61-178,609.70

Finding the Fourth Proportional to 321,849.54, 444,152.61 and 178,609.70

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Solution

The fourth proportional to 321,849.54, 444,152.61 and 178,609.70 is: 246,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,849.54 : 444,152.61 = 178,609.70 : x
  2. Step 2: Convert to fraction form
    321,849.54/444,152.61 = 178,609.70/x
  3. Step 3: Cross multiply
    321,849.54x = 444,152.61 × 178,609.70
  4. Step 4: Simplify right side
    321,849.54x = 79,329,962,205.55
  5. Step 5: Solve for x
    x = 79,329,962,205.55/321,849.54
  6. Step 6: Final answer
    x = 246,481.51

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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.