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Finding the Fourth Proportional to 454,369.36, 627,033.88 and 250,427.52

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Solution

The fourth proportional to 454,369.36, 627,033.88 and 250,427.52 is: 345,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,369.36 : 627,033.88 = 250,427.52 : x
  2. Step 2: Convert to fraction form
    454,369.36/627,033.88 = 250,427.52/x
  3. Step 3: Cross multiply
    454,369.36x = 627,033.88 × 250,427.52
  4. Step 4: Simplify right side
    454,369.36x = 157,026,539,524.38
  5. Step 5: Solve for x
    x = 157,026,539,524.38/454,369.36
  6. Step 6: Final answer
    x = 345,592.27

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1.5x scale

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.