Home / 321,977.28-444,319.92-178,733.64

Finding the Fourth Proportional to 321,977.28, 444,319.92 and 178,733.64

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Solution

The fourth proportional to 321,977.28, 444,319.92 and 178,733.64 is: 246,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,977.28 : 444,319.92 = 178,733.64 : x
  2. Step 2: Convert to fraction form
    321,977.28/444,319.92 = 178,733.64/x
  3. Step 3: Cross multiply
    321,977.28x = 444,319.92 × 178,733.64
  4. Step 4: Simplify right side
    321,977.28x = 79,414,916,626.11
  5. Step 5: Solve for x
    x = 79,414,916,626.11/321,977.28
  6. Step 6: Final answer
    x = 246,647.58

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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.