Home / 215,849.22-323,801.01-73,721.40

Finding the Fourth Proportional to 215,849.22, 323,801.01 and 73,721.40

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Solution

The fourth proportional to 215,849.22, 323,801.01 and 73,721.40 is: 110,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,849.22 : 323,801.01 = 73,721.40 : x
  2. Step 2: Convert to fraction form
    215,849.22/323,801.01 = 73,721.40/x
  3. Step 3: Cross multiply
    215,849.22x = 323,801.01 × 73,721.40
  4. Step 4: Simplify right side
    215,849.22x = 23,871,063,778.61
  5. Step 5: Solve for x
    x = 23,871,063,778.61/215,849.22
  6. Step 6: Final answer
    x = 110,591.38

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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.