Home / 274,337.47-378,715.13-206,380.32

Finding the Fourth Proportional to 274,337.47, 378,715.13 and 206,380.32

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Solution

The fourth proportional to 274,337.47, 378,715.13 and 206,380.32 is: 284,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,337.47 : 378,715.13 = 206,380.32 : x
  2. Step 2: Convert to fraction form
    274,337.47/378,715.13 = 206,380.32/x
  3. Step 3: Cross multiply
    274,337.47x = 378,715.13 × 206,380.32
  4. Step 4: Simplify right side
    274,337.47x = 78,159,349,718.24
  5. Step 5: Solve for x
    x = 78,159,349,718.24/274,337.47
  6. Step 6: Final answer
    x = 284,902.20

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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.