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Finding the Fourth Proportional to 273,145.78, 376,939.82 and 158,447.62

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Solution

The fourth proportional to 273,145.78, 376,939.82 and 158,447.62 is: 218,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,145.78 : 376,939.82 = 158,447.62 : x
  2. Step 2: Convert to fraction form
    273,145.78/376,939.82 = 158,447.62/x
  3. Step 3: Cross multiply
    273,145.78x = 376,939.82 × 158,447.62
  4. Step 4: Simplify right side
    273,145.78x = 59,725,217,362.23
  5. Step 5: Solve for x
    x = 59,725,217,362.23/273,145.78
  6. Step 6: Final answer
    x = 218,656.93

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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.