Home / 273,923.29-378,013.31-153,064.69

Finding the Fourth Proportional to 273,923.29, 378,013.31 and 153,064.69

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Solution

The fourth proportional to 273,923.29, 378,013.31 and 153,064.69 is: 211,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,923.29 : 378,013.31 = 153,064.69 : x
  2. Step 2: Convert to fraction form
    273,923.29/378,013.31 = 153,064.69/x
  3. Step 3: Cross multiply
    273,923.29x = 378,013.31 × 153,064.69
  4. Step 4: Simplify right side
    273,923.29x = 57,860,491,961.97
  5. Step 5: Solve for x
    x = 57,860,491,961.97/273,923.29
  6. Step 6: Final answer
    x = 211,228.81

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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.