Home / 263,289.18-394,684.66-162,149.43

Finding the Fourth Proportional to 263,289.18, 394,684.66 and 162,149.43

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Solution

The fourth proportional to 263,289.18, 394,684.66 and 162,149.43 is: 243,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,289.18 : 394,684.66 = 162,149.43 : x
  2. Step 2: Convert to fraction form
    263,289.18/394,684.66 = 162,149.43/x
  3. Step 3: Cross multiply
    263,289.18x = 394,684.66 × 162,149.43
  4. Step 4: Simplify right side
    263,289.18x = 63,997,892,648.74
  5. Step 5: Solve for x
    x = 63,997,892,648.74/263,289.18
  6. Step 6: Final answer
    x = 243,070.73

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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.