Home / 455,942.54-629,181.14-251,982.92

Finding the Fourth Proportional to 455,942.54, 629,181.14 and 251,982.92

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Solution

The fourth proportional to 455,942.54, 629,181.14 and 251,982.92 is: 347,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,942.54 : 629,181.14 = 251,982.92 : x
  2. Step 2: Convert to fraction form
    455,942.54/629,181.14 = 251,982.92/x
  3. Step 3: Cross multiply
    455,942.54x = 629,181.14 × 251,982.92
  4. Step 4: Simplify right side
    455,942.54x = 158,542,901,179.17
  5. Step 5: Solve for x
    x = 158,542,901,179.17/455,942.54
  6. Step 6: Final answer
    x = 347,725.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.