Home / 204,811.40-307,217.10-141,825.80

Finding the Fourth Proportional to 204,811.40, 307,217.10 and 141,825.80

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Solution

The fourth proportional to 204,811.40, 307,217.10 and 141,825.80 is: 212,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,811.40 : 307,217.10 = 141,825.80 : x
  2. Step 2: Convert to fraction form
    204,811.40/307,217.10 = 141,825.80/x
  3. Step 3: Cross multiply
    204,811.40x = 307,217.10 × 141,825.80
  4. Step 4: Simplify right side
    204,811.40x = 43,571,310,981.18
  5. Step 5: Solve for x
    x = 43,571,310,981.18/204,811.40
  6. Step 6: Final answer
    x = 212,738.70

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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.