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Finding the Fourth Proportional to 250,590.85, 345,480.83 and 199,078.86

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Solution

The fourth proportional to 250,590.85, 345,480.83 and 199,078.86 is: 274,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,590.85 : 345,480.83 = 199,078.86 : x
  2. Step 2: Convert to fraction form
    250,590.85/345,480.83 = 199,078.86/x
  3. Step 3: Cross multiply
    250,590.85x = 345,480.83 × 199,078.86
  4. Step 4: Simplify right side
    250,590.85x = 68,777,930,834.96
  5. Step 5: Solve for x
    x = 68,777,930,834.96/250,590.85
  6. Step 6: Final answer
    x = 274,463.06

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1.5x scale

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.