Home / 215,909.56-323,868.39-73,787.41

Finding the Fourth Proportional to 215,909.56, 323,868.39 and 73,787.41

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Solution

The fourth proportional to 215,909.56, 323,868.39 and 73,787.41 is: 110,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,909.56 : 323,868.39 = 73,787.41 : x
  2. Step 2: Convert to fraction form
    215,909.56/323,868.39 = 73,787.41/x
  3. Step 3: Cross multiply
    215,909.56x = 323,868.39 × 73,787.41
  4. Step 4: Simplify right side
    215,909.56x = 23,897,409,678.97
  5. Step 5: Solve for x
    x = 23,897,409,678.97/215,909.56
  6. Step 6: Final answer
    x = 110,682.50

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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.