Home / 273,938.09-378,033.94-153,079.38

Finding the Fourth Proportional to 273,938.09, 378,033.94 and 153,079.38

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Solution

The fourth proportional to 273,938.09, 378,033.94 and 153,079.38 is: 211,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,938.09 : 378,033.94 = 153,079.38 : x
  2. Step 2: Convert to fraction form
    273,938.09/378,033.94 = 153,079.38/x
  3. Step 3: Cross multiply
    273,938.09x = 378,033.94 × 153,079.38
  4. Step 4: Simplify right side
    273,938.09x = 57,869,200,712.82
  5. Step 5: Solve for x
    x = 57,869,200,712.82/273,938.09
  6. Step 6: Final answer
    x = 211,249.20

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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.