Home / 263,003.40-394,505.10-163,470.60

Finding the Fourth Proportional to 263,003.40, 394,505.10 and 163,470.60

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Solution

The fourth proportional to 263,003.40, 394,505.10 and 163,470.60 is: 245,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,003.40 : 394,505.10 = 163,470.60 : x
  2. Step 2: Convert to fraction form
    263,003.40/394,505.10 = 163,470.60/x
  3. Step 3: Cross multiply
    263,003.40x = 394,505.10 × 163,470.60
  4. Step 4: Simplify right side
    263,003.40x = 64,489,985,400.06
  5. Step 5: Solve for x
    x = 64,489,985,400.06/263,003.40
  6. Step 6: Final answer
    x = 245,205.90

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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.