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Finding the Fourth Proportional to 454,445.98, 627,139.84 and 250,504.78

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Solution

The fourth proportional to 454,445.98, 627,139.84 and 250,504.78 is: 345,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,445.98 : 627,139.84 = 250,504.78 : x
  2. Step 2: Convert to fraction form
    454,445.98/627,139.84 = 250,504.78/x
  3. Step 3: Cross multiply
    454,445.98x = 627,139.84 × 250,504.78
  4. Step 4: Simplify right side
    454,445.98x = 157,101,527,648.44
  5. Step 5: Solve for x
    x = 157,101,527,648.44/454,445.98
  6. Step 6: Final answer
    x = 345,699.01

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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.