Home / 321,979.28-444,322.68-178,735.64

Finding the Fourth Proportional to 321,979.28, 444,322.68 and 178,735.64

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Solution

The fourth proportional to 321,979.28, 444,322.68 and 178,735.64 is: 246,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,979.28 : 444,322.68 = 178,735.64 : x
  2. Step 2: Convert to fraction form
    321,979.28/444,322.68 = 178,735.64/x
  3. Step 3: Cross multiply
    321,979.28x = 444,322.68 × 178,735.64
  4. Step 4: Simplify right side
    321,979.28x = 79,416,298,576.32
  5. Step 5: Solve for x
    x = 79,416,298,576.32/321,979.28
  6. Step 6: Final answer
    x = 246,650.34

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1.5x scale

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.