Home / 422,101.14-582,499.53-231,115.02

Finding the Fourth Proportional to 422,101.14, 582,499.53 and 231,115.02

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Solution

The fourth proportional to 422,101.14, 582,499.53 and 231,115.02 is: 318,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,101.14 : 582,499.53 = 231,115.02 : x
  2. Step 2: Convert to fraction form
    422,101.14/582,499.53 = 231,115.02/x
  3. Step 3: Cross multiply
    422,101.14x = 582,499.53 × 231,115.02
  4. Step 4: Simplify right side
    422,101.14x = 134,624,390,525.94
  5. Step 5: Solve for x
    x = 134,624,390,525.94/422,101.14
  6. Step 6: Final answer
    x = 318,938.70

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1.5x scale

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.