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Finding the Fourth Proportional to 449,991, 675,022.35 and 150,473.46

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Solution

The fourth proportional to 449,991, 675,022.35 and 150,473.46 is: 225,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,991 : 675,022.35 = 150,473.46 : x
  2. Step 2: Convert to fraction form
    449,991/675,022.35 = 150,473.46/x
  3. Step 3: Cross multiply
    449,991x = 675,022.35 × 150,473.46
  4. Step 4: Simplify right side
    449,991x = 101,572,948,581.83
  5. Step 5: Solve for x
    x = 101,572,948,581.83/449,991
  6. Step 6: Final answer
    x = 225,722.18

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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.