Home / 348,442.80-521,342.46-206,364.12

Finding the Fourth Proportional to 348,442.80, 521,342.46 and 206,364.12

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Solution

The fourth proportional to 348,442.80, 521,342.46 and 206,364.12 is: 308,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,442.80 : 521,342.46 = 206,364.12 : x
  2. Step 2: Convert to fraction form
    348,442.80/521,342.46 = 206,364.12/x
  3. Step 3: Cross multiply
    348,442.80x = 521,342.46 × 206,364.12
  4. Step 4: Simplify right side
    348,442.80x = 107,586,377,976.54
  5. Step 5: Solve for x
    x = 107,586,377,976.54/348,442.80
  6. Step 6: Final answer
    x = 308,763.38

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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.