Home / 445,121.83-667,401.73-245,581.27

Finding the Fourth Proportional to 445,121.83, 667,401.73 and 245,581.27

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Solution

The fourth proportional to 445,121.83, 667,401.73 and 245,581.27 is: 368,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,121.83 : 667,401.73 = 245,581.27 : x
  2. Step 2: Convert to fraction form
    445,121.83/667,401.73 = 245,581.27/x
  3. Step 3: Cross multiply
    445,121.83x = 667,401.73 × 245,581.27
  4. Step 4: Simplify right side
    445,121.83x = 163,901,362,171.14
  5. Step 5: Solve for x
    x = 163,901,362,171.14/445,121.83
  6. Step 6: Final answer
    x = 368,216.86

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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.