Home / 322,150.41-483,188.07-85,511.49

Finding the Fourth Proportional to 322,150.41, 483,188.07 and 85,511.49

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Solution

The fourth proportional to 322,150.41, 483,188.07 and 85,511.49 is: 128,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,150.41 : 483,188.07 = 85,511.49 : x
  2. Step 2: Convert to fraction form
    322,150.41/483,188.07 = 85,511.49/x
  3. Step 3: Cross multiply
    322,150.41x = 483,188.07 × 85,511.49
  4. Step 4: Simplify right side
    322,150.41x = 41,318,131,815.92
  5. Step 5: Solve for x
    x = 41,318,131,815.92/322,150.41
  6. Step 6: Final answer
    x = 128,257.27

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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.