Home / 321,974.40-444,329.60-178,743.68

Finding the Fourth Proportional to 321,974.40, 444,329.60 and 178,743.68

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Solution

The fourth proportional to 321,974.40, 444,329.60 and 178,743.68 is: 246,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,974.40 : 444,329.60 = 178,743.68 : x
  2. Step 2: Convert to fraction form
    321,974.40/444,329.60 = 178,743.68/x
  3. Step 3: Cross multiply
    321,974.40x = 444,329.60 × 178,743.68
  4. Step 4: Simplify right side
    321,974.40x = 79,421,107,836.93
  5. Step 5: Solve for x
    x = 79,421,107,836.93/321,974.40
  6. Step 6: Final answer
    x = 246,669.01

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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.