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Finding the Fourth Proportional to 605,570.46, 908,496.39 and 206,214.69

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Solution

The fourth proportional to 605,570.46, 908,496.39 and 206,214.69 is: 309,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,570.46 : 908,496.39 = 206,214.69 : x
  2. Step 2: Convert to fraction form
    605,570.46/908,496.39 = 206,214.69/x
  3. Step 3: Cross multiply
    605,570.46x = 908,496.39 × 206,214.69
  4. Step 4: Simplify right side
    605,570.46x = 187,345,301,429.97
  5. Step 5: Solve for x
    x = 187,345,301,429.97/605,570.46
  6. Step 6: Final answer
    x = 309,369.95

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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.