Home / 274,338.47-378,716.51-206,381.32

Finding the Fourth Proportional to 274,338.47, 378,716.51 and 206,381.32

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Solution

The fourth proportional to 274,338.47, 378,716.51 and 206,381.32 is: 284,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,338.47 : 378,716.51 = 206,381.32 : x
  2. Step 2: Convert to fraction form
    274,338.47/378,716.51 = 206,381.32/x
  3. Step 3: Cross multiply
    274,338.47x = 378,716.51 × 206,381.32
  4. Step 4: Simplify right side
    274,338.47x = 78,160,013,239.59
  5. Step 5: Solve for x
    x = 78,160,013,239.59/274,338.47
  6. Step 6: Final answer
    x = 284,903.58

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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.