Home / 342,719.80-472,968.09-189,757.98

Finding the Fourth Proportional to 342,719.80, 472,968.09 and 189,757.98

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Solution

The fourth proportional to 342,719.80, 472,968.09 and 189,757.98 is: 261,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,719.80 : 472,968.09 = 189,757.98 : x
  2. Step 2: Convert to fraction form
    342,719.80/472,968.09 = 189,757.98/x
  3. Step 3: Cross multiply
    342,719.80x = 472,968.09 × 189,757.98
  4. Step 4: Simplify right side
    342,719.80x = 89,749,469,362.86
  5. Step 5: Solve for x
    x = 89,749,469,362.86/342,719.80
  6. Step 6: Final answer
    x = 261,874.19

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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.