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Finding the Fourth Proportional to 273,174.37, 376,961.38 and 152,310.49

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Solution

The fourth proportional to 273,174.37, 376,961.38 and 152,310.49 is: 210,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,174.37 : 376,961.38 = 152,310.49 : x
  2. Step 2: Convert to fraction form
    273,174.37/376,961.38 = 152,310.49/x
  3. Step 3: Cross multiply
    273,174.37x = 376,961.38 × 152,310.49
  4. Step 4: Simplify right side
    273,174.37x = 57,415,172,498.88
  5. Step 5: Solve for x
    x = 57,415,172,498.88/273,174.37
  6. Step 6: Final answer
    x = 210,177.74

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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.