Home / 422,399.10-582,905.88-228,803.10

Finding the Fourth Proportional to 422,399.10, 582,905.88 and 228,803.10

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Solution

The fourth proportional to 422,399.10, 582,905.88 and 228,803.10 is: 315,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,399.10 : 582,905.88 = 228,803.10 : x
  2. Step 2: Convert to fraction form
    422,399.10/582,905.88 = 228,803.10/x
  3. Step 3: Cross multiply
    422,399.10x = 582,905.88 × 228,803.10
  4. Step 4: Simplify right side
    422,399.10x = 133,370,672,352.23
  5. Step 5: Solve for x
    x = 133,370,672,352.23/422,399.10
  6. Step 6: Final answer
    x = 315,745.64

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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.