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Finding the Fourth Proportional to 300,954.24, 451,374.48 and 151,154.64

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Solution

The fourth proportional to 300,954.24, 451,374.48 and 151,154.64 is: 226,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,954.24 : 451,374.48 = 151,154.64 : x
  2. Step 2: Convert to fraction form
    300,954.24/451,374.48 = 151,154.64/x
  3. Step 3: Cross multiply
    300,954.24x = 451,374.48 × 151,154.64
  4. Step 4: Simplify right side
    300,954.24x = 68,227,347,029.59
  5. Step 5: Solve for x
    x = 68,227,347,029.59/300,954.24
  6. Step 6: Final answer
    x = 226,703.39

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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.