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Finding the Fourth Proportional to 301,299.88, 451,952.40 and 76,660.51

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Solution

The fourth proportional to 301,299.88, 451,952.40 and 76,660.51 is: 114,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,299.88 : 451,952.40 = 76,660.51 : x
  2. Step 2: Convert to fraction form
    301,299.88/451,952.40 = 76,660.51/x
  3. Step 3: Cross multiply
    301,299.88x = 451,952.40 × 76,660.51
  4. Step 4: Simplify right side
    301,299.88x = 34,646,901,479.72
  5. Step 5: Solve for x
    x = 34,646,901,479.72/301,299.88
  6. Step 6: Final answer
    x = 114,991.42

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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.