Home / 342,629.92-472,823.57-189,664.88

Finding the Fourth Proportional to 342,629.92, 472,823.57 and 189,664.88

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Solution

The fourth proportional to 342,629.92, 472,823.57 and 189,664.88 is: 261,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,629.92 : 472,823.57 = 189,664.88 : x
  2. Step 2: Convert to fraction form
    342,629.92/472,823.57 = 189,664.88/x
  3. Step 3: Cross multiply
    342,629.92x = 472,823.57 × 189,664.88
  4. Step 4: Simplify right side
    342,629.92x = 89,678,025,665.22
  5. Step 5: Solve for x
    x = 89,678,025,665.22/342,629.92
  6. Step 6: Final answer
    x = 261,734.37

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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.