Home / 303,837.72-455,811.94-104,178.26

Finding the Fourth Proportional to 303,837.72, 455,811.94 and 104,178.26

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Solution

The fourth proportional to 303,837.72, 455,811.94 and 104,178.26 is: 156,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,837.72 : 455,811.94 = 104,178.26 : x
  2. Step 2: Convert to fraction form
    303,837.72/455,811.94 = 104,178.26/x
  3. Step 3: Cross multiply
    303,837.72x = 455,811.94 × 104,178.26
  4. Step 4: Simplify right side
    303,837.72x = 47,485,694,796.42
  5. Step 5: Solve for x
    x = 47,485,694,796.42/303,837.72
  6. Step 6: Final answer
    x = 156,286.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.