Home / 627,115.20-940,400.64-227,623.20

Finding the Fourth Proportional to 627,115.20, 940,400.64 and 227,623.20

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Solution

The fourth proportional to 627,115.20, 940,400.64 and 227,623.20 is: 341,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,115.20 : 940,400.64 = 227,623.20 : x
  2. Step 2: Convert to fraction form
    627,115.20/940,400.64 = 227,623.20/x
  3. Step 3: Cross multiply
    627,115.20x = 940,400.64 × 227,623.20
  4. Step 4: Simplify right side
    627,115.20x = 214,057,002,958.85
  5. Step 5: Solve for x
    x = 214,057,002,958.85/627,115.20
  6. Step 6: Final answer
    x = 341,336.01

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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.