Home / 445,121.06-667,215.03-164,459.30

Finding the Fourth Proportional to 445,121.06, 667,215.03 and 164,459.30

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Solution

The fourth proportional to 445,121.06, 667,215.03 and 164,459.30 is: 246,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,121.06 : 667,215.03 = 164,459.30 : x
  2. Step 2: Convert to fraction form
    445,121.06/667,215.03 = 164,459.30/x
  3. Step 3: Cross multiply
    445,121.06x = 667,215.03 × 164,459.30
  4. Step 4: Simplify right side
    445,121.06x = 109,729,716,783.28
  5. Step 5: Solve for x
    x = 109,729,716,783.28/445,121.06
  6. Step 6: Final answer
    x = 246,516.57

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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.