Home / 412,334.37-618,739.43-222,795.27

Finding the Fourth Proportional to 412,334.37, 618,739.43 and 222,795.27

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Solution

The fourth proportional to 412,334.37, 618,739.43 and 222,795.27 is: 334,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,334.37 : 618,739.43 = 222,795.27 : x
  2. Step 2: Convert to fraction form
    412,334.37/618,739.43 = 222,795.27/x
  3. Step 3: Cross multiply
    412,334.37x = 618,739.43 × 222,795.27
  4. Step 4: Simplify right side
    412,334.37x = 137,852,217,252.52
  5. Step 5: Solve for x
    x = 137,852,217,252.52/412,334.37
  6. Step 6: Final answer
    x = 334,321.43

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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.