Home / 321,789.60-444,096.40-178,596

Finding the Fourth Proportional to 321,789.60, 444,096.40 and 178,596

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Solution

The fourth proportional to 321,789.60, 444,096.40 and 178,596 is: 246,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,789.60 : 444,096.40 = 178,596 : x
  2. Step 2: Convert to fraction form
    321,789.60/444,096.40 = 178,596/x
  3. Step 3: Cross multiply
    321,789.60x = 444,096.40 × 178,596
  4. Step 4: Simplify right side
    321,789.60x = 79,313,840,654.40
  5. Step 5: Solve for x
    x = 79,313,840,654.40/321,789.60
  6. Step 6: Final answer
    x = 246,477.33

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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.