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Finding the Fourth Proportional to 171,333.01, 256,532.95 and 133,250.05

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Solution

The fourth proportional to 171,333.01, 256,532.95 and 133,250.05 is: 199,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,333.01 : 256,532.95 = 133,250.05 : x
  2. Step 2: Convert to fraction form
    171,333.01/256,532.95 = 133,250.05/x
  3. Step 3: Cross multiply
    171,333.01x = 256,532.95 × 133,250.05
  4. Step 4: Simplify right side
    171,333.01x = 34,183,028,414.15
  5. Step 5: Solve for x
    x = 34,183,028,414.15/171,333.01
  6. Step 6: Final answer
    x = 199,512.22

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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.