Home / 342,183.30-472,216.03-189,231.79

Finding the Fourth Proportional to 342,183.30, 472,216.03 and 189,231.79

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Solution

The fourth proportional to 342,183.30, 472,216.03 and 189,231.79 is: 261,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,183.30 : 472,216.03 = 189,231.79 : x
  2. Step 2: Convert to fraction form
    342,183.30/472,216.03 = 189,231.79/x
  3. Step 3: Cross multiply
    342,183.30x = 472,216.03 × 189,231.79
  4. Step 4: Simplify right side
    342,183.30x = 89,358,282,969.97
  5. Step 5: Solve for x
    x = 89,358,282,969.97/342,183.30
  6. Step 6: Final answer
    x = 261,141.57

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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.