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Finding the Fourth Proportional to 454,774.50, 627,580.31 and 250,844.45

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Solution

The fourth proportional to 454,774.50, 627,580.31 and 250,844.45 is: 346,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,774.50 : 627,580.31 = 250,844.45 : x
  2. Step 2: Convert to fraction form
    454,774.50/627,580.31 = 250,844.45/x
  3. Step 3: Cross multiply
    454,774.50x = 627,580.31 × 250,844.45
  4. Step 4: Simplify right side
    454,774.50x = 157,425,033,300.66
  5. Step 5: Solve for x
    x = 157,425,033,300.66/454,774.50
  6. Step 6: Final answer
    x = 346,160.64

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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.