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Finding the Fourth Proportional to 217,286.60, 325,541.10 and 183,849.80

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Solution

The fourth proportional to 217,286.60, 325,541.10 and 183,849.80 is: 275,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,286.60 : 325,541.10 = 183,849.80 : x
  2. Step 2: Convert to fraction form
    217,286.60/325,541.10 = 183,849.80/x
  3. Step 3: Cross multiply
    217,286.60x = 325,541.10 × 183,849.80
  4. Step 4: Simplify right side
    217,286.60x = 59,850,666,126.78
  5. Step 5: Solve for x
    x = 59,850,666,126.78/217,286.60
  6. Step 6: Final answer
    x = 275,445.73

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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.