Home / 291,834.90-437,752.35-206,213.85

Finding the Fourth Proportional to 291,834.90, 437,752.35 and 206,213.85

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Solution

The fourth proportional to 291,834.90, 437,752.35 and 206,213.85 is: 309,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,834.90 : 437,752.35 = 206,213.85 : x
  2. Step 2: Convert to fraction form
    291,834.90/437,752.35 = 206,213.85/x
  3. Step 3: Cross multiply
    291,834.90x = 437,752.35 × 206,213.85
  4. Step 4: Simplify right side
    291,834.90x = 90,270,597,440.05
  5. Step 5: Solve for x
    x = 90,270,597,440.05/291,834.90
  6. Step 6: Final answer
    x = 309,320.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.