Home / 444,628.64-667,049.07-145,109.78

Finding the Fourth Proportional to 444,628.64, 667,049.07 and 145,109.78

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Solution

The fourth proportional to 444,628.64, 667,049.07 and 145,109.78 is: 217,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,628.64 : 667,049.07 = 145,109.78 : x
  2. Step 2: Convert to fraction form
    444,628.64/667,049.07 = 145,109.78/x
  3. Step 3: Cross multiply
    444,628.64x = 667,049.07 × 145,109.78
  4. Step 4: Simplify right side
    444,628.64x = 96,795,343,507.25
  5. Step 5: Solve for x
    x = 96,795,343,507.25/444,628.64
  6. Step 6: Final answer
    x = 217,699.30

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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.