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Finding the Fourth Proportional to 301,163.98, 451,581.03 and 138,881.92

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Solution

The fourth proportional to 301,163.98, 451,581.03 and 138,881.92 is: 208,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,163.98 : 451,581.03 = 138,881.92 : x
  2. Step 2: Convert to fraction form
    301,163.98/451,581.03 = 138,881.92/x
  3. Step 3: Cross multiply
    301,163.98x = 451,581.03 × 138,881.92
  4. Step 4: Simplify right side
    301,163.98x = 62,716,440,481.98
  5. Step 5: Solve for x
    x = 62,716,440,481.98/301,163.98
  6. Step 6: Final answer
    x = 208,246.82

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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.