Home / 263,288.18-394,683.17-162,148.43

Finding the Fourth Proportional to 263,288.18, 394,683.17 and 162,148.43

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Solution

The fourth proportional to 263,288.18, 394,683.17 and 162,148.43 is: 243,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,288.18 : 394,683.17 = 162,148.43 : x
  2. Step 2: Convert to fraction form
    263,288.18/394,683.17 = 162,148.43/x
  3. Step 3: Cross multiply
    263,288.18x = 394,683.17 × 162,148.43
  4. Step 4: Simplify right side
    263,288.18x = 63,997,256,538.89
  5. Step 5: Solve for x
    x = 63,997,256,538.89/263,288.18
  6. Step 6: Final answer
    x = 243,069.23

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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.