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Finding the Fourth Proportional to 454,473.34, 627,145.04 and 250,513.72

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Solution

The fourth proportional to 454,473.34, 627,145.04 and 250,513.72 is: 345,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,473.34 : 627,145.04 = 250,513.72 : x
  2. Step 2: Convert to fraction form
    454,473.34/627,145.04 = 250,513.72/x
  3. Step 3: Cross multiply
    454,473.34x = 627,145.04 × 250,513.72
  4. Step 4: Simplify right side
    454,473.34x = 157,108,436,949.95
  5. Step 5: Solve for x
    x = 157,108,436,949.95/454,473.34
  6. Step 6: Final answer
    x = 345,693.41

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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.