Home / 215,238.35-322,868.47-73,100.36

Finding the Fourth Proportional to 215,238.35, 322,868.47 and 73,100.36

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Solution

The fourth proportional to 215,238.35, 322,868.47 and 73,100.36 is: 109,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,238.35 : 322,868.47 = 73,100.36 : x
  2. Step 2: Convert to fraction form
    215,238.35/322,868.47 = 73,100.36/x
  3. Step 3: Cross multiply
    215,238.35x = 322,868.47 × 73,100.36
  4. Step 4: Simplify right side
    215,238.35x = 23,601,801,389.65
  5. Step 5: Solve for x
    x = 23,601,801,389.65/215,238.35
  6. Step 6: Final answer
    x = 109,654.26

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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.