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Finding the Fourth Proportional to 360,958.17, 541,255.01 and 211,243.44

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Solution

The fourth proportional to 360,958.17, 541,255.01 and 211,243.44 is: 316,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,958.17 : 541,255.01 = 211,243.44 : x
  2. Step 2: Convert to fraction form
    360,958.17/541,255.01 = 211,243.44/x
  3. Step 3: Cross multiply
    360,958.17x = 541,255.01 × 211,243.44
  4. Step 4: Simplify right side
    360,958.17x = 114,336,572,391.37
  5. Step 5: Solve for x
    x = 114,336,572,391.37/360,958.17
  6. Step 6: Final answer
    x = 316,758.51

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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.