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Finding the Fourth Proportional to 454,448, 627,142.60 and 250,506.76

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Solution

The fourth proportional to 454,448, 627,142.60 and 250,506.76 is: 345,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,448 : 627,142.60 = 250,506.76 : x
  2. Step 2: Convert to fraction form
    454,448/627,142.60 = 250,506.76/x
  3. Step 3: Cross multiply
    454,448x = 627,142.60 × 250,506.76
  4. Step 4: Simplify right side
    454,448x = 157,103,460,783.98
  5. Step 5: Solve for x
    x = 157,103,460,783.98/454,448
  6. Step 6: Final answer
    x = 345,701.73

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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.