Home / 321,890.58-444,236.94-178,678.26

Finding the Fourth Proportional to 321,890.58, 444,236.94 and 178,678.26

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Solution

The fourth proportional to 321,890.58, 444,236.94 and 178,678.26 is: 246,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,890.58 : 444,236.94 = 178,678.26 : x
  2. Step 2: Convert to fraction form
    321,890.58/444,236.94 = 178,678.26/x
  3. Step 3: Cross multiply
    321,890.58x = 444,236.94 × 178,678.26
  4. Step 4: Simplify right side
    321,890.58x = 79,375,483,466.92
  5. Step 5: Solve for x
    x = 79,375,483,466.92/321,890.58
  6. Step 6: Final answer
    x = 246,591.51

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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.