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Finding the Fourth Proportional to 250,718.60, 376,164.30 and 110,577.80

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Solution

The fourth proportional to 250,718.60, 376,164.30 and 110,577.80 is: 165,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,718.60 : 376,164.30 = 110,577.80 : x
  2. Step 2: Convert to fraction form
    250,718.60/376,164.30 = 110,577.80/x
  3. Step 3: Cross multiply
    250,718.60x = 376,164.30 × 110,577.80
  4. Step 4: Simplify right side
    250,718.60x = 41,595,420,732.54
  5. Step 5: Solve for x
    x = 41,595,420,732.54/250,718.60
  6. Step 6: Final answer
    x = 165,904.81

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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.