Home / 279,546.26-421,186.61-252,926.37

Finding the Fourth Proportional to 279,546.26, 421,186.61 and 252,926.37

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Solution

The fourth proportional to 279,546.26, 421,186.61 and 252,926.37 is: 381,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,546.26 : 421,186.61 = 252,926.37 : x
  2. Step 2: Convert to fraction form
    279,546.26/421,186.61 = 252,926.37/x
  3. Step 3: Cross multiply
    279,546.26x = 421,186.61 × 252,926.37
  4. Step 4: Simplify right side
    279,546.26x = 106,529,199,095.27
  5. Step 5: Solve for x
    x = 106,529,199,095.27/279,546.26
  6. Step 6: Final answer
    x = 381,078.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.