Home / 325,579.92-488,388.34-100,972.30

Finding the Fourth Proportional to 325,579.92, 488,388.34 and 100,972.30

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Solution

The fourth proportional to 325,579.92, 488,388.34 and 100,972.30 is: 151,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,579.92 : 488,388.34 = 100,972.30 : x
  2. Step 2: Convert to fraction form
    325,579.92/488,388.34 = 100,972.30/x
  3. Step 3: Cross multiply
    325,579.92x = 488,388.34 × 100,972.30
  4. Step 4: Simplify right side
    325,579.92x = 49,313,693,982.98
  5. Step 5: Solve for x
    x = 49,313,693,982.98/325,579.92
  6. Step 6: Final answer
    x = 151,464.18

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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.