Home / 358,183.36-494,165.94-222,076.60

Finding the Fourth Proportional to 358,183.36, 494,165.94 and 222,076.60

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Solution

The fourth proportional to 358,183.36, 494,165.94 and 222,076.60 is: 306,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,183.36 : 494,165.94 = 222,076.60 : x
  2. Step 2: Convert to fraction form
    358,183.36/494,165.94 = 222,076.60/x
  3. Step 3: Cross multiply
    358,183.36x = 494,165.94 × 222,076.60
  4. Step 4: Simplify right side
    358,183.36x = 109,742,691,791.00
  5. Step 5: Solve for x
    x = 109,742,691,791.00/358,183.36
  6. Step 6: Final answer
    x = 306,386.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.