Home / 321,920.92-444,244.02-178,672.36

Finding the Fourth Proportional to 321,920.92, 444,244.02 and 178,672.36

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Solution

The fourth proportional to 321,920.92, 444,244.02 and 178,672.36 is: 246,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,920.92 : 444,244.02 = 178,672.36 : x
  2. Step 2: Convert to fraction form
    321,920.92/444,244.02 = 178,672.36/x
  3. Step 3: Cross multiply
    321,920.92x = 444,244.02 × 178,672.36
  4. Step 4: Simplify right side
    321,920.92x = 79,374,127,469.29
  5. Step 5: Solve for x
    x = 79,374,127,469.29/321,920.92
  6. Step 6: Final answer
    x = 246,564.06

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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.