Home / 321,964.85-444,289.25-178,713.62

Finding the Fourth Proportional to 321,964.85, 444,289.25 and 178,713.62

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Solution

The fourth proportional to 321,964.85, 444,289.25 and 178,713.62 is: 246,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,964.85 : 444,289.25 = 178,713.62 : x
  2. Step 2: Convert to fraction form
    321,964.85/444,289.25 = 178,713.62/x
  3. Step 3: Cross multiply
    321,964.85x = 444,289.25 × 178,713.62
  4. Step 4: Simplify right side
    321,964.85x = 79,400,537,079.57
  5. Step 5: Solve for x
    x = 79,400,537,079.57/321,964.85
  6. Step 6: Final answer
    x = 246,612.44

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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.