Home / 206,190.70-284,550.16-196,742.86

Finding the Fourth Proportional to 206,190.70, 284,550.16 and 196,742.86

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Solution

The fourth proportional to 206,190.70, 284,550.16 and 196,742.86 is: 271,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,190.70 : 284,550.16 = 196,742.86 : x
  2. Step 2: Convert to fraction form
    206,190.70/284,550.16 = 196,742.86/x
  3. Step 3: Cross multiply
    206,190.70x = 284,550.16 × 196,742.86
  4. Step 4: Simplify right side
    206,190.70x = 55,983,212,291.86
  5. Step 5: Solve for x
    x = 55,983,212,291.86/206,190.70
  6. Step 6: Final answer
    x = 271,511.82

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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.