Home / 245,922.40-339,529.80-200,708.36

Finding the Fourth Proportional to 245,922.40, 339,529.80 and 200,708.36

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Solution

The fourth proportional to 245,922.40, 339,529.80 and 200,708.36 is: 277,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,922.40 : 339,529.80 = 200,708.36 : x
  2. Step 2: Convert to fraction form
    245,922.40/339,529.80 = 200,708.36/x
  3. Step 3: Cross multiply
    245,922.40x = 339,529.80 × 200,708.36
  4. Step 4: Simplify right side
    245,922.40x = 68,146,469,329.13
  5. Step 5: Solve for x
    x = 68,146,469,329.13/245,922.40
  6. Step 6: Final answer
    x = 277,105.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.