Home / 230,205.06-345,308.26-80,445.37

Finding the Fourth Proportional to 230,205.06, 345,308.26 and 80,445.37

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Solution

The fourth proportional to 230,205.06, 345,308.26 and 80,445.37 is: 120,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,205.06 : 345,308.26 = 80,445.37 : x
  2. Step 2: Convert to fraction form
    230,205.06/345,308.26 = 80,445.37/x
  3. Step 3: Cross multiply
    230,205.06x = 345,308.26 × 80,445.37
  4. Step 4: Simplify right side
    230,205.06x = 27,778,450,739.76
  5. Step 5: Solve for x
    x = 27,778,450,739.76/230,205.06
  6. Step 6: Final answer
    x = 120,668.29

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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.