Home / 220,811.59-331,315.82-80,537.41

Finding the Fourth Proportional to 220,811.59, 331,315.82 and 80,537.41

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Solution

The fourth proportional to 220,811.59, 331,315.82 and 80,537.41 is: 120,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,811.59 : 331,315.82 = 80,537.41 : x
  2. Step 2: Convert to fraction form
    220,811.59/331,315.82 = 80,537.41/x
  3. Step 3: Cross multiply
    220,811.59x = 331,315.82 × 80,537.41
  4. Step 4: Simplify right side
    220,811.59x = 26,683,319,280.13
  5. Step 5: Solve for x
    x = 26,683,319,280.13/220,811.59
  6. Step 6: Final answer
    x = 120,842.02

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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.