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Finding the Fourth Proportional to 267,255.05, 368,799.89 and 159,884.28

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Solution

The fourth proportional to 267,255.05, 368,799.89 and 159,884.28 is: 220,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,255.05 : 368,799.89 = 159,884.28 : x
  2. Step 2: Convert to fraction form
    267,255.05/368,799.89 = 159,884.28/x
  3. Step 3: Cross multiply
    267,255.05x = 368,799.89 × 159,884.28
  4. Step 4: Simplify right side
    267,255.05x = 58,965,304,077.31
  5. Step 5: Solve for x
    x = 58,965,304,077.31/267,255.05
  6. Step 6: Final answer
    x = 220,633.08

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1.5x scale

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.