Home / 245,982.84-339,340.32-143,945.16

Finding the Fourth Proportional to 245,982.84, 339,340.32 and 143,945.16

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Solution

The fourth proportional to 245,982.84, 339,340.32 and 143,945.16 is: 198,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,982.84 : 339,340.32 = 143,945.16 : x
  2. Step 2: Convert to fraction form
    245,982.84/339,340.32 = 143,945.16/x
  3. Step 3: Cross multiply
    245,982.84x = 339,340.32 × 143,945.16
  4. Step 4: Simplify right side
    245,982.84x = 48,846,396,656.85
  5. Step 5: Solve for x
    x = 48,846,396,656.85/245,982.84
  6. Step 6: Final answer
    x = 198,576.44

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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.