Home / 263,805.75-395,828.01-103,837.64

Finding the Fourth Proportional to 263,805.75, 395,828.01 and 103,837.64

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Solution

The fourth proportional to 263,805.75, 395,828.01 and 103,837.64 is: 155,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,805.75 : 395,828.01 = 103,837.64 : x
  2. Step 2: Convert to fraction form
    263,805.75/395,828.01 = 103,837.64/x
  3. Step 3: Cross multiply
    263,805.75x = 395,828.01 × 103,837.64
  4. Step 4: Simplify right side
    263,805.75x = 41,101,846,404.30
  5. Step 5: Solve for x
    x = 41,101,846,404.30/263,805.75
  6. Step 6: Final answer
    x = 155,803.45

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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.