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Finding the Fourth Proportional to 342,183.48, 472,216.26 and 189,231.97

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Solution

The fourth proportional to 342,183.48, 472,216.26 and 189,231.97 is: 261,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,183.48 : 472,216.26 = 189,231.97 : x
  2. Step 2: Convert to fraction form
    342,183.48/472,216.26 = 189,231.97/x
  3. Step 3: Cross multiply
    342,183.48x = 472,216.26 × 189,231.97
  4. Step 4: Simplify right side
    342,183.48x = 89,358,413,145.83
  5. Step 5: Solve for x
    x = 89,358,413,145.83/342,183.48
  6. Step 6: Final answer
    x = 261,141.81

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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.