Home / 291,179.27-436,841.42-231,433.16

Finding the Fourth Proportional to 291,179.27, 436,841.42 and 231,433.16

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Solution

The fourth proportional to 291,179.27, 436,841.42 and 231,433.16 is: 347,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,179.27 : 436,841.42 = 231,433.16 : x
  2. Step 2: Convert to fraction form
    291,179.27/436,841.42 = 231,433.16/x
  3. Step 3: Cross multiply
    291,179.27x = 436,841.42 × 231,433.16
  4. Step 4: Simplify right side
    291,179.27x = 101,099,586,908.11
  5. Step 5: Solve for x
    x = 101,099,586,908.11/291,179.27
  6. Step 6: Final answer
    x = 347,207.37

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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.