Home / 263,788.05-395,682.62-64,108.74

Finding the Fourth Proportional to 263,788.05, 395,682.62 and 64,108.74

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Solution

The fourth proportional to 263,788.05, 395,682.62 and 64,108.74 is: 96,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,788.05 : 395,682.62 = 64,108.74 : x
  2. Step 2: Convert to fraction form
    263,788.05/395,682.62 = 64,108.74/x
  3. Step 3: Cross multiply
    263,788.05x = 395,682.62 × 64,108.74
  4. Step 4: Simplify right side
    263,788.05x = 25,366,713,887.56
  5. Step 5: Solve for x
    x = 25,366,713,887.56/263,788.05
  6. Step 6: Final answer
    x = 96,163.24

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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.