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Finding the Fourth Proportional to 383,500.50, 529,233.31 and 213,745.56

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Solution

The fourth proportional to 383,500.50, 529,233.31 and 213,745.56 is: 294,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,500.50 : 529,233.31 = 213,745.56 : x
  2. Step 2: Convert to fraction form
    383,500.50/529,233.31 = 213,745.56/x
  3. Step 3: Cross multiply
    383,500.50x = 529,233.31 × 213,745.56
  4. Step 4: Simplify right side
    383,500.50x = 113,121,270,216.60
  5. Step 5: Solve for x
    x = 113,121,270,216.60/383,500.50
  6. Step 6: Final answer
    x = 294,970.33

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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.