Home / 262,942.40-394,183.20-157,649.60

Finding the Fourth Proportional to 262,942.40, 394,183.20 and 157,649.60

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Solution

The fourth proportional to 262,942.40, 394,183.20 and 157,649.60 is: 236,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,942.40 : 394,183.20 = 157,649.60 : x
  2. Step 2: Convert to fraction form
    262,942.40/394,183.20 = 157,649.60/x
  3. Step 3: Cross multiply
    262,942.40x = 394,183.20 × 157,649.60
  4. Step 4: Simplify right side
    262,942.40x = 62,142,823,806.72
  5. Step 5: Solve for x
    x = 62,142,823,806.72/262,942.40
  6. Step 6: Final answer
    x = 236,336.26

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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.