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Finding the Fourth Proportional to 605,566.46, 908,490.39 and 206,210.69

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Solution

The fourth proportional to 605,566.46, 908,490.39 and 206,210.69 is: 309,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,566.46 : 908,490.39 = 206,210.69 : x
  2. Step 2: Convert to fraction form
    605,566.46/908,490.39 = 206,210.69/x
  3. Step 3: Cross multiply
    605,566.46x = 908,490.39 × 206,210.69
  4. Step 4: Simplify right side
    605,566.46x = 187,340,432,915.19
  5. Step 5: Solve for x
    x = 187,340,432,915.19/605,566.46
  6. Step 6: Final answer
    x = 309,363.95

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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.