Home / 631,138.62-946,716.30-210,414.64

Finding the Fourth Proportional to 631,138.62, 946,716.30 and 210,414.64

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Solution

The fourth proportional to 631,138.62, 946,716.30 and 210,414.64 is: 315,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,138.62 : 946,716.30 = 210,414.64 : x
  2. Step 2: Convert to fraction form
    631,138.62/946,716.30 = 210,414.64/x
  3. Step 3: Cross multiply
    631,138.62x = 946,716.30 × 210,414.64
  4. Step 4: Simplify right side
    631,138.62x = 199,202,969,446.63
  5. Step 5: Solve for x
    x = 199,202,969,446.63/631,138.62
  6. Step 6: Final answer
    x = 315,624.75

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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.