Home / 321,939.39-444,276.03-178,699.14

Finding the Fourth Proportional to 321,939.39, 444,276.03 and 178,699.14

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Solution

The fourth proportional to 321,939.39, 444,276.03 and 178,699.14 is: 246,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,939.39 : 444,276.03 = 178,699.14 : x
  2. Step 2: Convert to fraction form
    321,939.39/444,276.03 = 178,699.14/x
  3. Step 3: Cross multiply
    321,939.39x = 444,276.03 × 178,699.14
  4. Step 4: Simplify right side
    321,939.39x = 79,391,744,483.61
  5. Step 5: Solve for x
    x = 79,391,744,483.61/321,939.39
  6. Step 6: Final answer
    x = 246,604.63

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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.