Home / 250,919.37-376,419.45-82,400.09

Finding the Fourth Proportional to 250,919.37, 376,419.45 and 82,400.09

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Solution

The fourth proportional to 250,919.37, 376,419.45 and 82,400.09 is: 123,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,919.37 : 376,419.45 = 82,400.09 : x
  2. Step 2: Convert to fraction form
    250,919.37/376,419.45 = 82,400.09/x
  3. Step 3: Cross multiply
    250,919.37x = 376,419.45 × 82,400.09
  4. Step 4: Simplify right side
    250,919.37x = 31,016,994,984.65
  5. Step 5: Solve for x
    x = 31,016,994,984.65/250,919.37
  6. Step 6: Final answer
    x = 123,613.39

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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.