Home / 263,880.38-395,670.60-103,869.58

Finding the Fourth Proportional to 263,880.38, 395,670.60 and 103,869.58

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Solution

The fourth proportional to 263,880.38, 395,670.60 and 103,869.58 is: 155,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,880.38 : 395,670.60 = 103,869.58 : x
  2. Step 2: Convert to fraction form
    263,880.38/395,670.60 = 103,869.58/x
  3. Step 3: Cross multiply
    263,880.38x = 395,670.60 × 103,869.58
  4. Step 4: Simplify right side
    263,880.38x = 41,098,139,040.35
  5. Step 5: Solve for x
    x = 41,098,139,040.35/263,880.38
  6. Step 6: Final answer
    x = 155,745.34

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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.