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Finding the Fourth Proportional to 171,252.20, 256,878.30 and 44,892.20

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Solution

The fourth proportional to 171,252.20, 256,878.30 and 44,892.20 is: 67,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,252.20 : 256,878.30 = 44,892.20 : x
  2. Step 2: Convert to fraction form
    171,252.20/256,878.30 = 44,892.20/x
  3. Step 3: Cross multiply
    171,252.20x = 256,878.30 × 44,892.20
  4. Step 4: Simplify right side
    171,252.20x = 11,531,832,019.26
  5. Step 5: Solve for x
    x = 11,531,832,019.26/171,252.20
  6. Step 6: Final answer
    x = 67,338.30

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1.5x scale

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.