Home / 245,358.03-338,571.74-141,974.36

Finding the Fourth Proportional to 245,358.03, 338,571.74 and 141,974.36

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Solution

The fourth proportional to 245,358.03, 338,571.74 and 141,974.36 is: 195,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,358.03 : 338,571.74 = 141,974.36 : x
  2. Step 2: Convert to fraction form
    245,358.03/338,571.74 = 141,974.36/x
  3. Step 3: Cross multiply
    245,358.03x = 338,571.74 × 141,974.36
  4. Step 4: Simplify right side
    245,358.03x = 48,068,504,407.73
  5. Step 5: Solve for x
    x = 48,068,504,407.73/245,358.03
  6. Step 6: Final answer
    x = 195,911.68

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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.