Home / 231,650.20-347,216.10-131,858.20

Finding the Fourth Proportional to 231,650.20, 347,216.10 and 131,858.20

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Solution

The fourth proportional to 231,650.20, 347,216.10 and 131,858.20 is: 197,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,650.20 : 347,216.10 = 131,858.20 : x
  2. Step 2: Convert to fraction form
    231,650.20/347,216.10 = 131,858.20/x
  3. Step 3: Cross multiply
    231,650.20x = 347,216.10 × 131,858.20
  4. Step 4: Simplify right side
    231,650.20x = 45,783,289,957.02
  5. Step 5: Solve for x
    x = 45,783,289,957.02/231,650.20
  6. Step 6: Final answer
    x = 197,639.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.