Home / 259,519.48-388,940.10-133,052.56

Finding the Fourth Proportional to 259,519.48, 388,940.10 and 133,052.56

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Solution

The fourth proportional to 259,519.48, 388,940.10 and 133,052.56 is: 199,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,519.48 : 388,940.10 = 133,052.56 : x
  2. Step 2: Convert to fraction form
    259,519.48/388,940.10 = 133,052.56/x
  3. Step 3: Cross multiply
    259,519.48x = 388,940.10 × 133,052.56
  4. Step 4: Simplify right side
    259,519.48x = 51,749,475,991.66
  5. Step 5: Solve for x
    x = 51,749,475,991.66/259,519.48
  6. Step 6: Final answer
    x = 199,404.98

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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.