Home / 331,724.07-457,635.06-210,800.61

Finding the Fourth Proportional to 331,724.07, 457,635.06 and 210,800.61

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Solution

The fourth proportional to 331,724.07, 457,635.06 and 210,800.61 is: 290,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,724.07 : 457,635.06 = 210,800.61 : x
  2. Step 2: Convert to fraction form
    331,724.07/457,635.06 = 210,800.61/x
  3. Step 3: Cross multiply
    331,724.07x = 457,635.06 × 210,800.61
  4. Step 4: Simplify right side
    331,724.07x = 96,469,749,805.39
  5. Step 5: Solve for x
    x = 96,469,749,805.39/331,724.07
  6. Step 6: Final answer
    x = 290,813.23

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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.