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Finding the Fourth Proportional to 454,660.10, 627,468.30 and 250,750.91

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Solution

The fourth proportional to 454,660.10, 627,468.30 and 250,750.91 is: 346,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,660.10 : 627,468.30 = 250,750.91 : x
  2. Step 2: Convert to fraction form
    454,660.10/627,468.30 = 250,750.91/x
  3. Step 3: Cross multiply
    454,660.10x = 627,468.30 × 250,750.91
  4. Step 4: Simplify right side
    454,660.10x = 157,338,242,830.06
  5. Step 5: Solve for x
    x = 157,338,242,830.06/454,660.10
  6. Step 6: Final answer
    x = 346,056.85

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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.