Home / 455,850.54-629,072.19-251,895.78

Finding the Fourth Proportional to 455,850.54, 629,072.19 and 251,895.78

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Solution

The fourth proportional to 455,850.54, 629,072.19 and 251,895.78 is: 347,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,850.54 : 629,072.19 = 251,895.78 : x
  2. Step 2: Convert to fraction form
    455,850.54/629,072.19 = 251,895.78/x
  3. Step 3: Cross multiply
    455,850.54x = 629,072.19 × 251,895.78
  4. Step 4: Simplify right side
    455,850.54x = 158,460,629,976.36
  5. Step 5: Solve for x
    x = 158,460,629,976.36/455,850.54
  6. Step 6: Final answer
    x = 347,615.32

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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.