Home / 445,121.31-667,215.41-164,459.55

Finding the Fourth Proportional to 445,121.31, 667,215.41 and 164,459.55

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Solution

The fourth proportional to 445,121.31, 667,215.41 and 164,459.55 is: 246,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,121.31 : 667,215.41 = 164,459.55 : x
  2. Step 2: Convert to fraction form
    445,121.31/667,215.41 = 164,459.55/x
  3. Step 3: Cross multiply
    445,121.31x = 667,215.41 × 164,459.55
  4. Step 4: Simplify right side
    445,121.31x = 109,729,945,259.37
  5. Step 5: Solve for x
    x = 109,729,945,259.37/445,121.31
  6. Step 6: Final answer
    x = 246,516.94

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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.