Home / 205,049.20-307,901.85-155,185.60

Finding the Fourth Proportional to 205,049.20, 307,901.85 and 155,185.60

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Solution

The fourth proportional to 205,049.20, 307,901.85 and 155,185.60 is: 233,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,049.20 : 307,901.85 = 155,185.60 : x
  2. Step 2: Convert to fraction form
    205,049.20/307,901.85 = 155,185.60/x
  3. Step 3: Cross multiply
    205,049.20x = 307,901.85 × 155,185.60
  4. Step 4: Simplify right side
    205,049.20x = 47,781,933,333.36
  5. Step 5: Solve for x
    x = 47,781,933,333.36/205,049.20
  6. Step 6: Final answer
    x = 233,026.68

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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.