Home / 345,979.27-518,813.07-146,196.82

Finding the Fourth Proportional to 345,979.27, 518,813.07 and 146,196.82

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Solution

The fourth proportional to 345,979.27, 518,813.07 and 146,196.82 is: 219,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,979.27 : 518,813.07 = 146,196.82 : x
  2. Step 2: Convert to fraction form
    345,979.27/518,813.07 = 146,196.82/x
  3. Step 3: Cross multiply
    345,979.27x = 518,813.07 × 146,196.82
  4. Step 4: Simplify right side
    345,979.27x = 75,848,821,008.44
  5. Step 5: Solve for x
    x = 75,848,821,008.44/345,979.27
  6. Step 6: Final answer
    x = 219,229.38

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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.