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Finding the Fourth Proportional to 450,480.48, 675,662.40 and 150,890.64

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Solution

The fourth proportional to 450,480.48, 675,662.40 and 150,890.64 is: 226,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,480.48 : 675,662.40 = 150,890.64 : x
  2. Step 2: Convert to fraction form
    450,480.48/675,662.40 = 150,890.64/x
  3. Step 3: Cross multiply
    450,480.48x = 675,662.40 × 150,890.64
  4. Step 4: Simplify right side
    450,480.48x = 101,951,131,959.94
  5. Step 5: Solve for x
    x = 101,951,131,959.94/450,480.48
  6. Step 6: Final answer
    x = 226,316.43

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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.