Home / 259,974.42-389,975.48-82,495.32

Finding the Fourth Proportional to 259,974.42, 389,975.48 and 82,495.32

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Solution

The fourth proportional to 259,974.42, 389,975.48 and 82,495.32 is: 123,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,974.42 : 389,975.48 = 82,495.32 : x
  2. Step 2: Convert to fraction form
    259,974.42/389,975.48 = 82,495.32/x
  3. Step 3: Cross multiply
    259,974.42x = 389,975.48 × 82,495.32
  4. Step 4: Simplify right side
    259,974.42x = 32,171,152,014.75
  5. Step 5: Solve for x
    x = 32,171,152,014.75/259,974.42
  6. Step 6: Final answer
    x = 123,747.37

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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.