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Finding the Fourth Proportional to 455,892.89, 629,144.75 and 251,957.03

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Solution

The fourth proportional to 455,892.89, 629,144.75 and 251,957.03 is: 347,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,892.89 : 629,144.75 = 251,957.03 : x
  2. Step 2: Convert to fraction form
    455,892.89/629,144.75 = 251,957.03/x
  3. Step 3: Cross multiply
    455,892.89x = 629,144.75 × 251,957.03
  4. Step 4: Simplify right side
    455,892.89x = 158,517,440,134.26
  5. Step 5: Solve for x
    x = 158,517,440,134.26/455,892.89
  6. Step 6: Final answer
    x = 347,707.64

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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.