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Finding the Fourth Proportional to 297,568.51, 447,961.51 and 271,084.69

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Solution

The fourth proportional to 297,568.51, 447,961.51 and 271,084.69 is: 408,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,568.51 : 447,961.51 = 271,084.69 : x
  2. Step 2: Convert to fraction form
    297,568.51/447,961.51 = 271,084.69/x
  3. Step 3: Cross multiply
    297,568.51x = 447,961.51 × 271,084.69
  4. Step 4: Simplify right side
    297,568.51x = 121,435,505,272.67
  5. Step 5: Solve for x
    x = 121,435,505,272.67/297,568.51
  6. Step 6: Final answer
    x = 408,092.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.