Home / 321,945.25-444,262.20-178,694.02

Finding the Fourth Proportional to 321,945.25, 444,262.20 and 178,694.02

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Solution

The fourth proportional to 321,945.25, 444,262.20 and 178,694.02 is: 246,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,945.25 : 444,262.20 = 178,694.02 : x
  2. Step 2: Convert to fraction form
    321,945.25/444,262.20 = 178,694.02/x
  3. Step 3: Cross multiply
    321,945.25x = 444,262.20 × 178,694.02
  4. Step 4: Simplify right side
    321,945.25x = 79,386,998,452.04
  5. Step 5: Solve for x
    x = 79,386,998,452.04/321,945.25
  6. Step 6: Final answer
    x = 246,585.40

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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.