Home / 220,830.25-331,245.48-71,070.52

Finding the Fourth Proportional to 220,830.25, 331,245.48 and 71,070.52

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Solution

The fourth proportional to 220,830.25, 331,245.48 and 71,070.52 is: 106,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,830.25 : 331,245.48 = 71,070.52 : x
  2. Step 2: Convert to fraction form
    220,830.25/331,245.48 = 71,070.52/x
  3. Step 3: Cross multiply
    220,830.25x = 331,245.48 × 71,070.52
  4. Step 4: Simplify right side
    220,830.25x = 23,541,788,511.25
  5. Step 5: Solve for x
    x = 23,541,788,511.25/220,830.25
  6. Step 6: Final answer
    x = 106,605.81

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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.