Home / 229,968.85-345,010.68-80,211.29

Finding the Fourth Proportional to 229,968.85, 345,010.68 and 80,211.29

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Solution

The fourth proportional to 229,968.85, 345,010.68 and 80,211.29 is: 120,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,968.85 : 345,010.68 = 80,211.29 : x
  2. Step 2: Convert to fraction form
    229,968.85/345,010.68 = 80,211.29/x
  3. Step 3: Cross multiply
    229,968.85x = 345,010.68 × 80,211.29
  4. Step 4: Simplify right side
    229,968.85x = 27,673,749,981.52
  5. Step 5: Solve for x
    x = 27,673,749,981.52/229,968.85
  6. Step 6: Final answer
    x = 120,336.95

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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.