Home / 263,921.84-395,882.86-95,438.45

Finding the Fourth Proportional to 263,921.84, 395,882.86 and 95,438.45

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Solution

The fourth proportional to 263,921.84, 395,882.86 and 95,438.45 is: 143,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,921.84 : 395,882.86 = 95,438.45 : x
  2. Step 2: Convert to fraction form
    263,921.84/395,882.86 = 95,438.45/x
  3. Step 3: Cross multiply
    263,921.84x = 395,882.86 × 95,438.45
  4. Step 4: Simplify right side
    263,921.84x = 37,782,444,321.96
  5. Step 5: Solve for x
    x = 37,782,444,321.96/263,921.84
  6. Step 6: Final answer
    x = 143,157.71

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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.