Home / 208,824.20-313,017.60-82,415.60

Finding the Fourth Proportional to 208,824.20, 313,017.60 and 82,415.60

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Solution

The fourth proportional to 208,824.20, 313,017.60 and 82,415.60 is: 123,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,824.20 : 313,017.60 = 82,415.60 : x
  2. Step 2: Convert to fraction form
    208,824.20/313,017.60 = 82,415.60/x
  3. Step 3: Cross multiply
    208,824.20x = 313,017.60 × 82,415.60
  4. Step 4: Simplify right side
    208,824.20x = 25,797,533,314.56
  5. Step 5: Solve for x
    x = 25,797,533,314.56/208,824.20
  6. Step 6: Final answer
    x = 123,537.09

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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.