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Finding the Fourth Proportional to 325,493.31, 450,037.89 and 285,091.14

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Solution

The fourth proportional to 325,493.31, 450,037.89 and 285,091.14 is: 394,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,493.31 : 450,037.89 = 285,091.14 : x
  2. Step 2: Convert to fraction form
    325,493.31/450,037.89 = 285,091.14/x
  3. Step 3: Cross multiply
    325,493.31x = 450,037.89 × 285,091.14
  4. Step 4: Simplify right side
    325,493.31x = 128,301,815,588.21
  5. Step 5: Solve for x
    x = 128,301,815,588.21/325,493.31
  6. Step 6: Final answer
    x = 394,176.50

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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.