Home / 321,789.66-444,048.39-178,540.62

Finding the Fourth Proportional to 321,789.66, 444,048.39 and 178,540.62

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Solution

The fourth proportional to 321,789.66, 444,048.39 and 178,540.62 is: 246,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,789.66 : 444,048.39 = 178,540.62 : x
  2. Step 2: Convert to fraction form
    321,789.66/444,048.39 = 178,540.62/x
  3. Step 3: Cross multiply
    321,789.66x = 444,048.39 × 178,540.62
  4. Step 4: Simplify right side
    321,789.66x = 79,280,674,860.60
  5. Step 5: Solve for x
    x = 79,280,674,860.60/321,789.66
  6. Step 6: Final answer
    x = 246,374.21

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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.