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Finding the Fourth Proportional to 605,624.97, 908,578.01 and 206,269.20

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Solution

The fourth proportional to 605,624.97, 908,578.01 and 206,269.20 is: 309,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,624.97 : 908,578.01 = 206,269.20 : x
  2. Step 2: Convert to fraction form
    605,624.97/908,578.01 = 206,269.20/x
  3. Step 3: Cross multiply
    605,624.97x = 908,578.01 × 206,269.20
  4. Step 4: Simplify right side
    605,624.97x = 187,411,658,228.95
  5. Step 5: Solve for x
    x = 187,411,658,228.95/605,624.97
  6. Step 6: Final answer
    x = 309,451.67

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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.