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Finding the Fourth Proportional to 273,591.30, 377,546.16 and 171,671.64

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Solution

The fourth proportional to 273,591.30, 377,546.16 and 171,671.64 is: 236,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,591.30 : 377,546.16 = 171,671.64 : x
  2. Step 2: Convert to fraction form
    273,591.30/377,546.16 = 171,671.64/x
  3. Step 3: Cross multiply
    273,591.30x = 377,546.16 × 171,671.64
  4. Step 4: Simplify right side
    273,591.30x = 64,813,968,462.90
  5. Step 5: Solve for x
    x = 64,813,968,462.90/273,591.30
  6. Step 6: Final answer
    x = 236,900.69

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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.