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Finding the Fourth Proportional to 271,350.57, 407,087.86 and 93,857.43

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Solution

The fourth proportional to 271,350.57, 407,087.86 and 93,857.43 is: 140,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,350.57 : 407,087.86 = 93,857.43 : x
  2. Step 2: Convert to fraction form
    271,350.57/407,087.86 = 93,857.43/x
  3. Step 3: Cross multiply
    271,350.57x = 407,087.86 × 93,857.43
  4. Step 4: Simplify right side
    271,350.57x = 38,208,220,323.80
  5. Step 5: Solve for x
    x = 38,208,220,323.80/271,350.57
  6. Step 6: Final answer
    x = 140,807.59

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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.