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Finding the Fourth Proportional to 454,964, 627,850.32 and 253,760

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Solution

The fourth proportional to 454,964, 627,850.32 and 253,760 is: 350,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,964 : 627,850.32 = 253,760 : x
  2. Step 2: Convert to fraction form
    454,964/627,850.32 = 253,760/x
  3. Step 3: Cross multiply
    454,964x = 627,850.32 × 253,760
  4. Step 4: Simplify right side
    454,964x = 159,323,297,203.20
  5. Step 5: Solve for x
    x = 159,323,297,203.20/454,964
  6. Step 6: Final answer
    x = 350,188.80

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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.