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Finding the Fourth Proportional to 454,955.78, 627,845.37 and 251,015.60

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Solution

The fourth proportional to 454,955.78, 627,845.37 and 251,015.60 is: 346,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,955.78 : 627,845.37 = 251,015.60 : x
  2. Step 2: Convert to fraction form
    454,955.78/627,845.37 = 251,015.60/x
  3. Step 3: Cross multiply
    454,955.78x = 627,845.37 × 251,015.60
  4. Step 4: Simplify right side
    454,955.78x = 157,598,982,257.77
  5. Step 5: Solve for x
    x = 157,598,982,257.77/454,955.78
  6. Step 6: Final answer
    x = 346,405.06

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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.