Home / 422,056.48-582,439.64-231,087.64

Finding the Fourth Proportional to 422,056.48, 582,439.64 and 231,087.64

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Solution

The fourth proportional to 422,056.48, 582,439.64 and 231,087.64 is: 318,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,056.48 : 582,439.64 = 231,087.64 : x
  2. Step 2: Convert to fraction form
    422,056.48/582,439.64 = 231,087.64/x
  3. Step 3: Cross multiply
    422,056.48x = 582,439.64 × 231,087.64
  4. Step 4: Simplify right side
    422,056.48x = 134,594,601,850.05
  5. Step 5: Solve for x
    x = 134,594,601,850.05/422,056.48
  6. Step 6: Final answer
    x = 318,901.87

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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.