Home / 412,327.62-618,729.30-222,788.52

Finding the Fourth Proportional to 412,327.62, 618,729.30 and 222,788.52

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Solution

The fourth proportional to 412,327.62, 618,729.30 and 222,788.52 is: 334,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,327.62 : 618,729.30 = 222,788.52 : x
  2. Step 2: Convert to fraction form
    412,327.62/618,729.30 = 222,788.52/x
  3. Step 3: Cross multiply
    412,327.62x = 618,729.30 × 222,788.52
  4. Step 4: Simplify right side
    412,327.62x = 137,845,785,027.64
  5. Step 5: Solve for x
    x = 137,845,785,027.64/412,327.62
  6. Step 6: Final answer
    x = 334,311.31

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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.