Home / 808,195.32-1,211,941.62-231,691.68

Finding the Fourth Proportional to 808,195.32, 1,211,941.62 and 231,691.68

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Solution

The fourth proportional to 808,195.32, 1,211,941.62 and 231,691.68 is: 347,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,195.32 : 1,211,941.62 = 231,691.68 : x
  2. Step 2: Convert to fraction form
    808,195.32/1,211,941.62 = 231,691.68/x
  3. Step 3: Cross multiply
    808,195.32x = 1,211,941.62 × 231,691.68
  4. Step 4: Simplify right side
    808,195.32x = 280,796,789,999.72
  5. Step 5: Solve for x
    x = 280,796,789,999.72/808,195.32
  6. Step 6: Final answer
    x = 347,436.79

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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.