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Finding the Fourth Proportional to 305,233.98, 457,788.63 and 115,628.98

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Solution

The fourth proportional to 305,233.98, 457,788.63 and 115,628.98 is: 173,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,233.98 : 457,788.63 = 115,628.98 : x
  2. Step 2: Convert to fraction form
    305,233.98/457,788.63 = 115,628.98/x
  3. Step 3: Cross multiply
    305,233.98x = 457,788.63 × 115,628.98
  4. Step 4: Simplify right side
    305,233.98x = 52,933,632,481.12
  5. Step 5: Solve for x
    x = 52,933,632,481.12/305,233.98
  6. Step 6: Final answer
    x = 173,419.85

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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.