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Finding the Fourth Proportional to 267,441.80, 369,021.30 and 171,926.60

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Solution

The fourth proportional to 267,441.80, 369,021.30 and 171,926.60 is: 237,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,441.80 : 369,021.30 = 171,926.60 : x
  2. Step 2: Convert to fraction form
    267,441.80/369,021.30 = 171,926.60/x
  3. Step 3: Cross multiply
    267,441.80x = 369,021.30 × 171,926.60
  4. Step 4: Simplify right side
    267,441.80x = 63,444,577,436.58
  5. Step 5: Solve for x
    x = 63,444,577,436.58/267,441.80
  6. Step 6: Final answer
    x = 237,227.60

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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.