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Finding the Fourth Proportional to 422,363.48, 582,903.42 and 241,102.66

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Solution

The fourth proportional to 422,363.48, 582,903.42 and 241,102.66 is: 332,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,363.48 : 582,903.42 = 241,102.66 : x
  2. Step 2: Convert to fraction form
    422,363.48/582,903.42 = 241,102.66/x
  3. Step 3: Cross multiply
    422,363.48x = 582,903.42 × 241,102.66
  4. Step 4: Simplify right side
    422,363.48x = 140,539,565,085.10
  5. Step 5: Solve for x
    x = 140,539,565,085.10/422,363.48
  6. Step 6: Final answer
    x = 332,745.54

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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.