Home / 230,815.43-345,513.68-196,764.80

Finding the Fourth Proportional to 230,815.43, 345,513.68 and 196,764.80

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Solution

The fourth proportional to 230,815.43, 345,513.68 and 196,764.80 is: 294,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,815.43 : 345,513.68 = 196,764.80 : x
  2. Step 2: Convert to fraction form
    230,815.43/345,513.68 = 196,764.80/x
  3. Step 3: Cross multiply
    230,815.43x = 345,513.68 × 196,764.80
  4. Step 4: Simplify right side
    230,815.43x = 67,984,927,431.07
  5. Step 5: Solve for x
    x = 67,984,927,431.07/230,815.43
  6. Step 6: Final answer
    x = 294,542.39

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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.