Home / 204,946.20-307,419.30-144,811.80

Finding the Fourth Proportional to 204,946.20, 307,419.30 and 144,811.80

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Solution

The fourth proportional to 204,946.20, 307,419.30 and 144,811.80 is: 217,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,946.20 : 307,419.30 = 144,811.80 : x
  2. Step 2: Convert to fraction form
    204,946.20/307,419.30 = 144,811.80/x
  3. Step 3: Cross multiply
    204,946.20x = 307,419.30 × 144,811.80
  4. Step 4: Simplify right side
    204,946.20x = 44,517,942,187.74
  5. Step 5: Solve for x
    x = 44,517,942,187.74/204,946.20
  6. Step 6: Final answer
    x = 217,217.70

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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.