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Finding the Fourth Proportional to 344,720.38, 475,519.77 and 206,863.60

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Solution

The fourth proportional to 344,720.38, 475,519.77 and 206,863.60 is: 285,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,720.38 : 475,519.77 = 206,863.60 : x
  2. Step 2: Convert to fraction form
    344,720.38/475,519.77 = 206,863.60/x
  3. Step 3: Cross multiply
    344,720.38x = 475,519.77 × 206,863.60
  4. Step 4: Simplify right side
    344,720.38x = 98,367,731,493.37
  5. Step 5: Solve for x
    x = 98,367,731,493.37/344,720.38
  6. Step 6: Final answer
    x = 285,355.14

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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.