Home / 262,502.20-394,142.10-203,404.60

Finding the Fourth Proportional to 262,502.20, 394,142.10 and 203,404.60

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Solution

The fourth proportional to 262,502.20, 394,142.10 and 203,404.60 is: 305,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,502.20 : 394,142.10 = 203,404.60 : x
  2. Step 2: Convert to fraction form
    262,502.20/394,142.10 = 203,404.60/x
  3. Step 3: Cross multiply
    262,502.20x = 394,142.10 × 203,404.60
  4. Step 4: Simplify right side
    262,502.20x = 80,170,316,193.66
  5. Step 5: Solve for x
    x = 80,170,316,193.66/262,502.20
  6. Step 6: Final answer
    x = 305,408.17

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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.