Home / 263,542.32-394,542.36-163,400.40

Finding the Fourth Proportional to 263,542.32, 394,542.36 and 163,400.40

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Solution

The fourth proportional to 263,542.32, 394,542.36 and 163,400.40 is: 244,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,542.32 : 394,542.36 = 163,400.40 : x
  2. Step 2: Convert to fraction form
    263,542.32/394,542.36 = 163,400.40/x
  3. Step 3: Cross multiply
    263,542.32x = 394,542.36 × 163,400.40
  4. Step 4: Simplify right side
    263,542.32x = 64,468,379,440.94
  5. Step 5: Solve for x
    x = 64,468,379,440.94/263,542.32
  6. Step 6: Final answer
    x = 244,622.49

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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.