Home / 342,629.43-472,822.88-189,664.38

Finding the Fourth Proportional to 342,629.43, 472,822.88 and 189,664.38

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Solution

The fourth proportional to 342,629.43, 472,822.88 and 189,664.38 is: 261,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,629.43 : 472,822.88 = 189,664.38 : x
  2. Step 2: Convert to fraction form
    342,629.43/472,822.88 = 189,664.38/x
  3. Step 3: Cross multiply
    342,629.43x = 472,822.88 × 189,664.38
  4. Step 4: Simplify right side
    342,629.43x = 89,677,658,385.01
  5. Step 5: Solve for x
    x = 89,677,658,385.01/342,629.43
  6. Step 6: Final answer
    x = 261,733.67

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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.