Home / 263,374.72-395,111.92-83,505.45

Finding the Fourth Proportional to 263,374.72, 395,111.92 and 83,505.45

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Solution

The fourth proportional to 263,374.72, 395,111.92 and 83,505.45 is: 125,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,374.72 : 395,111.92 = 83,505.45 : x
  2. Step 2: Convert to fraction form
    263,374.72/395,111.92 = 83,505.45/x
  3. Step 3: Cross multiply
    263,374.72x = 395,111.92 × 83,505.45
  4. Step 4: Simplify right side
    263,374.72x = 32,993,998,756.33
  5. Step 5: Solve for x
    x = 32,993,998,756.33/263,374.72
  6. Step 6: Final answer
    x = 125,273.98

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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.