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Finding the Fourth Proportional to 206,325.54, 309,489.48 and 93,927.15

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Solution

The fourth proportional to 206,325.54, 309,489.48 and 93,927.15 is: 140,891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,325.54 : 309,489.48 = 93,927.15 : x
  2. Step 2: Convert to fraction form
    206,325.54/309,489.48 = 93,927.15/x
  3. Step 3: Cross multiply
    206,325.54x = 309,489.48 × 93,927.15
  4. Step 4: Simplify right side
    206,325.54x = 29,069,464,811.38
  5. Step 5: Solve for x
    x = 29,069,464,811.38/206,325.54
  6. Step 6: Final answer
    x = 140,891.26

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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.