Home / 321,738.20-482,664.90-134,768.60

Finding the Fourth Proportional to 321,738.20, 482,664.90 and 134,768.60

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Solution

The fourth proportional to 321,738.20, 482,664.90 and 134,768.60 is: 202,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,738.20 : 482,664.90 = 134,768.60 : x
  2. Step 2: Convert to fraction form
    321,738.20/482,664.90 = 134,768.60/x
  3. Step 3: Cross multiply
    321,738.20x = 482,664.90 × 134,768.60
  4. Step 4: Simplify right side
    321,738.20x = 65,048,072,842.14
  5. Step 5: Solve for x
    x = 65,048,072,842.14/321,738.20
  6. Step 6: Final answer
    x = 202,177.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.