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Finding the Fourth Proportional to 605,625.97, 908,579.51 and 206,270.20

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Solution

The fourth proportional to 605,625.97, 908,579.51 and 206,270.20 is: 309,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,625.97 : 908,579.51 = 206,270.20 : x
  2. Step 2: Convert to fraction form
    605,625.97/908,579.51 = 206,270.20/x
  3. Step 3: Cross multiply
    605,625.97x = 908,579.51 × 206,270.20
  4. Step 4: Simplify right side
    605,625.97x = 187,412,876,212.25
  5. Step 5: Solve for x
    x = 187,412,876,212.25/605,625.97
  6. Step 6: Final answer
    x = 309,453.17

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1.5x scale

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.