Home / 272,893.44-409,383.96-115,145.16

Finding the Fourth Proportional to 272,893.44, 409,383.96 and 115,145.16

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Solution

The fourth proportional to 272,893.44, 409,383.96 and 115,145.16 is: 172,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,893.44 : 409,383.96 = 115,145.16 : x
  2. Step 2: Convert to fraction form
    272,893.44/409,383.96 = 115,145.16/x
  3. Step 3: Cross multiply
    272,893.44x = 409,383.96 × 115,145.16
  4. Step 4: Simplify right side
    272,893.44x = 47,138,581,575.63
  5. Step 5: Solve for x
    x = 47,138,581,575.63/272,893.44
  6. Step 6: Final answer
    x = 172,736.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.