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Finding the Fourth Proportional to 454,762.08, 627,563.12 and 250,832

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Solution

The fourth proportional to 454,762.08, 627,563.12 and 250,832 is: 346,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,762.08 : 627,563.12 = 250,832 : x
  2. Step 2: Convert to fraction form
    454,762.08/627,563.12 = 250,832/x
  3. Step 3: Cross multiply
    454,762.08x = 627,563.12 × 250,832
  4. Step 4: Simplify right side
    454,762.08x = 157,412,912,515.84
  5. Step 5: Solve for x
    x = 157,412,912,515.84/454,762.08
  6. Step 6: Final answer
    x = 346,143.44

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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.