Home / 321,819.20-444,109.02-178,578.92

Finding the Fourth Proportional to 321,819.20, 444,109.02 and 178,578.92

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Solution

The fourth proportional to 321,819.20, 444,109.02 and 178,578.92 is: 246,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,819.20 : 444,109.02 = 178,578.92 : x
  2. Step 2: Convert to fraction form
    321,819.20/444,109.02 = 178,578.92/x
  3. Step 3: Cross multiply
    321,819.20x = 444,109.02 × 178,578.92
  4. Step 4: Simplify right side
    321,819.20x = 79,308,509,153.86
  5. Step 5: Solve for x
    x = 79,308,509,153.86/321,819.20
  6. Step 6: Final answer
    x = 246,438.09

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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.