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Finding the Fourth Proportional to 325,101.36, 487,661.94 and 88,449.24

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Solution

The fourth proportional to 325,101.36, 487,661.94 and 88,449.24 is: 132,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,101.36 : 487,661.94 = 88,449.24 : x
  2. Step 2: Convert to fraction form
    325,101.36/487,661.94 = 88,449.24/x
  3. Step 3: Cross multiply
    325,101.36x = 487,661.94 × 88,449.24
  4. Step 4: Simplify right side
    325,101.36x = 43,133,327,969.93
  5. Step 5: Solve for x
    x = 43,133,327,969.93/325,101.36
  6. Step 6: Final answer
    x = 132,676.55

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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.