Home / 274,350.04-378,732.50-206,392.95

Finding the Fourth Proportional to 274,350.04, 378,732.50 and 206,392.95

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Solution

The fourth proportional to 274,350.04, 378,732.50 and 206,392.95 is: 284,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,350.04 : 378,732.50 = 206,392.95 : x
  2. Step 2: Convert to fraction form
    274,350.04/378,732.50 = 206,392.95/x
  3. Step 3: Cross multiply
    274,350.04x = 378,732.50 × 206,392.95
  4. Step 4: Simplify right side
    274,350.04x = 78,167,717,935.88
  5. Step 5: Solve for x
    x = 78,167,717,935.88/274,350.04
  6. Step 6: Final answer
    x = 284,919.65

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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.