Home / 263,290.18-394,686.16-162,150.43

Finding the Fourth Proportional to 263,290.18, 394,686.16 and 162,150.43

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Solution

The fourth proportional to 263,290.18, 394,686.16 and 162,150.43 is: 243,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,290.18 : 394,686.16 = 162,150.43 : x
  2. Step 2: Convert to fraction form
    263,290.18/394,686.16 = 162,150.43/x
  3. Step 3: Cross multiply
    263,290.18x = 394,686.16 × 162,150.43
  4. Step 4: Simplify right side
    263,290.18x = 63,998,530,559.05
  5. Step 5: Solve for x
    x = 63,998,530,559.05/263,290.18
  6. Step 6: Final answer
    x = 243,072.23

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1.5x scale

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.