Home / 321,905.86-444,226.73-178,667.14

Finding the Fourth Proportional to 321,905.86, 444,226.73 and 178,667.14

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Solution

The fourth proportional to 321,905.86, 444,226.73 and 178,667.14 is: 246,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,905.86 : 444,226.73 = 178,667.14 : x
  2. Step 2: Convert to fraction form
    321,905.86/444,226.73 = 178,667.14/x
  3. Step 3: Cross multiply
    321,905.86x = 444,226.73 × 178,667.14
  4. Step 4: Simplify right side
    321,905.86x = 79,368,719,360.65
  5. Step 5: Solve for x
    x = 79,368,719,360.65/321,905.86
  6. Step 6: Final answer
    x = 246,558.79

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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.