Home / 321,855.05-444,161.69-178,615.20

Finding the Fourth Proportional to 321,855.05, 444,161.69 and 178,615.20

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Solution

The fourth proportional to 321,855.05, 444,161.69 and 178,615.20 is: 246,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,855.05 : 444,161.69 = 178,615.20 : x
  2. Step 2: Convert to fraction form
    321,855.05/444,161.69 = 178,615.20/x
  3. Step 3: Cross multiply
    321,855.05x = 444,161.69 × 178,615.20
  4. Step 4: Simplify right side
    321,855.05x = 79,334,028,198.61
  5. Step 5: Solve for x
    x = 79,334,028,198.61/321,855.05
  6. Step 6: Final answer
    x = 246,489.93

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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.