Home / 262,865.40-394,082.10-113,220.60

Finding the Fourth Proportional to 262,865.40, 394,082.10 and 113,220.60

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Solution

The fourth proportional to 262,865.40, 394,082.10 and 113,220.60 is: 169,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,865.40 : 394,082.10 = 113,220.60 : x
  2. Step 2: Convert to fraction form
    262,865.40/394,082.10 = 113,220.60/x
  3. Step 3: Cross multiply
    262,865.40x = 394,082.10 × 113,220.60
  4. Step 4: Simplify right side
    262,865.40x = 44,618,211,811.26
  5. Step 5: Solve for x
    x = 44,618,211,811.26/262,865.40
  6. Step 6: Final answer
    x = 169,737.87

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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.