Home / 378,823.57-522,768.87-206,744.95

Finding the Fourth Proportional to 378,823.57, 522,768.87 and 206,744.95

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Solution

The fourth proportional to 378,823.57, 522,768.87 and 206,744.95 is: 285,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,823.57 : 522,768.87 = 206,744.95 : x
  2. Step 2: Convert to fraction form
    378,823.57/522,768.87 = 206,744.95/x
  3. Step 3: Cross multiply
    378,823.57x = 522,768.87 × 206,744.95
  4. Step 4: Simplify right side
    378,823.57x = 108,079,823,889.71
  5. Step 5: Solve for x
    x = 108,079,823,889.71/378,823.57
  6. Step 6: Final answer
    x = 285,303.85

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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.