Home / 321,582.25-443,772.35-178,355.62

Finding the Fourth Proportional to 321,582.25, 443,772.35 and 178,355.62

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Solution

The fourth proportional to 321,582.25, 443,772.35 and 178,355.62 is: 246,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,582.25 : 443,772.35 = 178,355.62 : x
  2. Step 2: Convert to fraction form
    321,582.25/443,772.35 = 178,355.62/x
  3. Step 3: Cross multiply
    321,582.25x = 443,772.35 × 178,355.62
  4. Step 4: Simplify right side
    321,582.25x = 79,149,289,512.47
  5. Step 5: Solve for x
    x = 79,149,289,512.47/321,582.25
  6. Step 6: Final answer
    x = 246,124.56

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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.