Home / 220,984.34-331,477.11-71,235.59

Finding the Fourth Proportional to 220,984.34, 331,477.11 and 71,235.59

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Solution

The fourth proportional to 220,984.34, 331,477.11 and 71,235.59 is: 106,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,984.34 : 331,477.11 = 71,235.59 : x
  2. Step 2: Convert to fraction form
    220,984.34/331,477.11 = 71,235.59/x
  3. Step 3: Cross multiply
    220,984.34x = 331,477.11 × 71,235.59
  4. Step 4: Simplify right side
    220,984.34x = 23,612,965,844.96
  5. Step 5: Solve for x
    x = 23,612,965,844.96/220,984.34
  6. Step 6: Final answer
    x = 106,853.57

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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.