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Finding the Fourth Proportional to 301,003.52, 451,754.40 and 151,286.72

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Solution

The fourth proportional to 301,003.52, 451,754.40 and 151,286.72 is: 227,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,003.52 : 451,754.40 = 151,286.72 : x
  2. Step 2: Convert to fraction form
    301,003.52/451,754.40 = 151,286.72/x
  3. Step 3: Cross multiply
    301,003.52x = 451,754.40 × 151,286.72
  4. Step 4: Simplify right side
    301,003.52x = 68,344,441,421.57
  5. Step 5: Solve for x
    x = 68,344,441,421.57/301,003.52
  6. Step 6: Final answer
    x = 227,055.29

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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.