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Finding the Fourth Proportional to 251,370.44, 346,893.56 and 138,194

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Solution

The fourth proportional to 251,370.44, 346,893.56 and 138,194 is: 190,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,370.44 : 346,893.56 = 138,194 : x
  2. Step 2: Convert to fraction form
    251,370.44/346,893.56 = 138,194/x
  3. Step 3: Cross multiply
    251,370.44x = 346,893.56 × 138,194
  4. Step 4: Simplify right side
    251,370.44x = 47,938,608,630.64
  5. Step 5: Solve for x
    x = 47,938,608,630.64/251,370.44
  6. Step 6: Final answer
    x = 190,709.01

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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.