Home / 204,739.20-307,569.60-196,905.60

Finding the Fourth Proportional to 204,739.20, 307,569.60 and 196,905.60

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Solution

The fourth proportional to 204,739.20, 307,569.60 and 196,905.60 is: 295,801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,739.20 : 307,569.60 = 196,905.60 : x
  2. Step 2: Convert to fraction form
    204,739.20/307,569.60 = 196,905.60/x
  3. Step 3: Cross multiply
    204,739.20x = 307,569.60 × 196,905.60
  4. Step 4: Simplify right side
    204,739.20x = 60,562,176,629.76
  5. Step 5: Solve for x
    x = 60,562,176,629.76/204,739.20
  6. Step 6: Final answer
    x = 295,801.57

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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.