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Finding the Fourth Proportional to 267,310.72, 368,755.09 and 159,852.48

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Solution

The fourth proportional to 267,310.72, 368,755.09 and 159,852.48 is: 220,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,310.72 : 368,755.09 = 159,852.48 : x
  2. Step 2: Convert to fraction form
    267,310.72/368,755.09 = 159,852.48/x
  3. Step 3: Cross multiply
    267,310.72x = 368,755.09 × 159,852.48
  4. Step 4: Simplify right side
    267,310.72x = 58,946,415,649.12
  5. Step 5: Solve for x
    x = 58,946,415,649.12/267,310.72
  6. Step 6: Final answer
    x = 220,516.47

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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.