Home / 231,826.20-347,778.60-71,865.60

Finding the Fourth Proportional to 231,826.20, 347,778.60 and 71,865.60

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Solution

The fourth proportional to 231,826.20, 347,778.60 and 71,865.60 is: 107,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,826.20 : 347,778.60 = 71,865.60 : x
  2. Step 2: Convert to fraction form
    231,826.20/347,778.60 = 71,865.60/x
  3. Step 3: Cross multiply
    231,826.20x = 347,778.60 × 71,865.60
  4. Step 4: Simplify right side
    231,826.20x = 24,993,317,756.16
  5. Step 5: Solve for x
    x = 24,993,317,756.16/231,826.20
  6. Step 6: Final answer
    x = 107,810.58

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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.