Home / 273,916.15-378,109.62-245,185.04

Finding the Fourth Proportional to 273,916.15, 378,109.62 and 245,185.04

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Solution

The fourth proportional to 273,916.15, 378,109.62 and 245,185.04 is: 338,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,916.15 : 378,109.62 = 245,185.04 : x
  2. Step 2: Convert to fraction form
    273,916.15/378,109.62 = 245,185.04/x
  3. Step 3: Cross multiply
    273,916.15x = 378,109.62 × 245,185.04
  4. Step 4: Simplify right side
    273,916.15x = 92,706,823,249.36
  5. Step 5: Solve for x
    x = 92,706,823,249.36/273,916.15
  6. Step 6: Final answer
    x = 338,449.65

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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.