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Finding the Fourth Proportional to 482,682.24, 666,069.48 and 267,808.68

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Solution

The fourth proportional to 482,682.24, 666,069.48 and 267,808.68 is: 369,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,682.24 : 666,069.48 = 267,808.68 : x
  2. Step 2: Convert to fraction form
    482,682.24/666,069.48 = 267,808.68/x
  3. Step 3: Cross multiply
    482,682.24x = 666,069.48 × 267,808.68
  4. Step 4: Simplify right side
    482,682.24x = 178,379,188,227.09
  5. Step 5: Solve for x
    x = 178,379,188,227.09/482,682.24
  6. Step 6: Final answer
    x = 369,558.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.