Home / 245,929.69-339,383.67-142,583.97

Finding the Fourth Proportional to 245,929.69, 339,383.67 and 142,583.97

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Solution

The fourth proportional to 245,929.69, 339,383.67 and 142,583.97 is: 196,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,929.69 : 339,383.67 = 142,583.97 : x
  2. Step 2: Convert to fraction form
    245,929.69/339,383.67 = 142,583.97/x
  3. Step 3: Cross multiply
    245,929.69x = 339,383.67 × 142,583.97
  4. Step 4: Simplify right side
    245,929.69x = 48,390,669,324.85
  5. Step 5: Solve for x
    x = 48,390,669,324.85/245,929.69
  6. Step 6: Final answer
    x = 196,766.28

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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.