Home / 220,216.98-330,208.83-87,091.86

Finding the Fourth Proportional to 220,216.98, 330,208.83 and 87,091.86

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Solution

The fourth proportional to 220,216.98, 330,208.83 and 87,091.86 is: 130,591.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,216.98 : 330,208.83 = 87,091.86 : x
  2. Step 2: Convert to fraction form
    220,216.98/330,208.83 = 87,091.86/x
  3. Step 3: Cross multiply
    220,216.98x = 330,208.83 × 87,091.86
  4. Step 4: Simplify right side
    220,216.98x = 28,758,501,193.12
  5. Step 5: Solve for x
    x = 28,758,501,193.12/220,216.98
  6. Step 6: Final answer
    x = 130,591.66

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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.