Home / 263,308.73-394,187.61-163,146.86

Finding the Fourth Proportional to 263,308.73, 394,187.61 and 163,146.86

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Solution

The fourth proportional to 263,308.73, 394,187.61 and 163,146.86 is: 244,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,308.73 : 394,187.61 = 163,146.86 : x
  2. Step 2: Convert to fraction form
    263,308.73/394,187.61 = 163,146.86/x
  3. Step 3: Cross multiply
    263,308.73x = 394,187.61 × 163,146.86
  4. Step 4: Simplify right side
    263,308.73x = 64,310,470,941.47
  5. Step 5: Solve for x
    x = 64,310,470,941.47/263,308.73
  6. Step 6: Final answer
    x = 244,239.80

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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.