Home / 200,615.60-301,040.05-82,371.80

Finding the Fourth Proportional to 200,615.60, 301,040.05 and 82,371.80

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Solution

The fourth proportional to 200,615.60, 301,040.05 and 82,371.80 is: 123,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,615.60 : 301,040.05 = 82,371.80 : x
  2. Step 2: Convert to fraction form
    200,615.60/301,040.05 = 82,371.80/x
  3. Step 3: Cross multiply
    200,615.60x = 301,040.05 × 82,371.80
  4. Step 4: Simplify right side
    200,615.60x = 24,797,210,790.59
  5. Step 5: Solve for x
    x = 24,797,210,790.59/200,615.60
  6. Step 6: Final answer
    x = 123,605.60

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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.