Home / 379,007.10-523,007.38-206,890.81

Finding the Fourth Proportional to 379,007.10, 523,007.38 and 206,890.81

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Solution

The fourth proportional to 379,007.10, 523,007.38 and 206,890.81 is: 285,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,007.10 : 523,007.38 = 206,890.81 : x
  2. Step 2: Convert to fraction form
    379,007.10/523,007.38 = 206,890.81/x
  3. Step 3: Cross multiply
    379,007.10x = 523,007.38 × 206,890.81
  4. Step 4: Simplify right side
    379,007.10x = 108,205,419,435.27
  5. Step 5: Solve for x
    x = 108,205,419,435.27/379,007.10
  6. Step 6: Final answer
    x = 285,497.08

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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.