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Finding the Fourth Proportional to 448,761.67, 672,996.33 and 149,161.79

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Solution

The fourth proportional to 448,761.67, 672,996.33 and 149,161.79 is: 223,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,761.67 : 672,996.33 = 149,161.79 : x
  2. Step 2: Convert to fraction form
    448,761.67/672,996.33 = 149,161.79/x
  3. Step 3: Cross multiply
    448,761.67x = 672,996.33 × 149,161.79
  4. Step 4: Simplify right side
    448,761.67x = 100,385,338,928.72
  5. Step 5: Solve for x
    x = 100,385,338,928.72/448,761.67
  6. Step 6: Final answer
    x = 223,694.10

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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.