Home / 281,997.25-423,141.37-187,292.86

Finding the Fourth Proportional to 281,997.25, 423,141.37 and 187,292.86

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Solution

The fourth proportional to 281,997.25, 423,141.37 and 187,292.86 is: 281,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,997.25 : 423,141.37 = 187,292.86 : x
  2. Step 2: Convert to fraction form
    281,997.25/423,141.37 = 187,292.86/x
  3. Step 3: Cross multiply
    281,997.25x = 423,141.37 × 187,292.86
  4. Step 4: Simplify right side
    281,997.25x = 79,251,355,845.53
  5. Step 5: Solve for x
    x = 79,251,355,845.53/281,997.25
  6. Step 6: Final answer
    x = 281,035.92

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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.