Home / 320,836.60-481,967.70-268,348.60

Finding the Fourth Proportional to 320,836.60, 481,967.70 and 268,348.60

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Solution

The fourth proportional to 320,836.60, 481,967.70 and 268,348.60 is: 403,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,836.60 : 481,967.70 = 268,348.60 : x
  2. Step 2: Convert to fraction form
    320,836.60/481,967.70 = 268,348.60/x
  3. Step 3: Cross multiply
    320,836.60x = 481,967.70 × 268,348.60
  4. Step 4: Simplify right side
    320,836.60x = 129,335,357,540.22
  5. Step 5: Solve for x
    x = 129,335,357,540.22/320,836.60
  6. Step 6: Final answer
    x = 403,119.09

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1.5x scale

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.