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Finding the Fourth Proportional to 454,408.80, 627,130.80 and 273,179.76

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Solution

The fourth proportional to 454,408.80, 627,130.80 and 273,179.76 is: 377,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,408.80 : 627,130.80 = 273,179.76 : x
  2. Step 2: Convert to fraction form
    454,408.80/627,130.80 = 273,179.76/x
  3. Step 3: Cross multiply
    454,408.80x = 627,130.80 × 273,179.76
  4. Step 4: Simplify right side
    454,408.80x = 171,319,441,432.61
  5. Step 5: Solve for x
    x = 171,319,441,432.61/454,408.80
  6. Step 6: Final answer
    x = 377,016.12

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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.