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Finding the Fourth Proportional to 454,443.98, 627,137.08 and 250,502.78

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Solution

The fourth proportional to 454,443.98, 627,137.08 and 250,502.78 is: 345,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,443.98 : 627,137.08 = 250,502.78 : x
  2. Step 2: Convert to fraction form
    454,443.98/627,137.08 = 250,502.78/x
  3. Step 3: Cross multiply
    454,443.98x = 627,137.08 × 250,502.78
  4. Step 4: Simplify right side
    454,443.98x = 157,099,581,981.08
  5. Step 5: Solve for x
    x = 157,099,581,981.08/454,443.98
  6. Step 6: Final answer
    x = 345,696.25

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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.