Home / 321,966.40-444,318.56-178,735.68

Finding the Fourth Proportional to 321,966.40, 444,318.56 and 178,735.68

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Solution

The fourth proportional to 321,966.40, 444,318.56 and 178,735.68 is: 246,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,966.40 : 444,318.56 = 178,735.68 : x
  2. Step 2: Convert to fraction form
    321,966.40/444,318.56 = 178,735.68/x
  3. Step 3: Cross multiply
    321,966.40x = 444,318.56 × 178,735.68
  4. Step 4: Simplify right side
    321,966.40x = 79,415,579,958.22
  5. Step 5: Solve for x
    x = 79,415,579,958.22/321,966.40
  6. Step 6: Final answer
    x = 246,657.97

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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.