Home / 321,865.52-444,153.76-200,999.60

Finding the Fourth Proportional to 321,865.52, 444,153.76 and 200,999.60

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Solution

The fourth proportional to 321,865.52, 444,153.76 and 200,999.60 is: 277,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,865.52 : 444,153.76 = 200,999.60 : x
  2. Step 2: Convert to fraction form
    321,865.52/444,153.76 = 200,999.60/x
  3. Step 3: Cross multiply
    321,865.52x = 444,153.76 × 200,999.60
  4. Step 4: Simplify right side
    321,865.52x = 89,274,728,098.50
  5. Step 5: Solve for x
    x = 89,274,728,098.50/321,865.52
  6. Step 6: Final answer
    x = 277,366.55

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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.