Home / 321,965.40-483,012.90-269,736.60

Finding the Fourth Proportional to 321,965.40, 483,012.90 and 269,736.60

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Solution

The fourth proportional to 321,965.40, 483,012.90 and 269,736.60 is: 404,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,965.40 : 483,012.90 = 269,736.60 : x
  2. Step 2: Convert to fraction form
    321,965.40/483,012.90 = 269,736.60/x
  3. Step 3: Cross multiply
    321,965.40x = 483,012.90 × 269,736.60
  4. Step 4: Simplify right side
    321,965.40x = 130,286,257,402.14
  5. Step 5: Solve for x
    x = 130,286,257,402.14/321,965.40
  6. Step 6: Final answer
    x = 404,659.19

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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.