Home / 431,736.28-647,212.36-151,100.44

Finding the Fourth Proportional to 431,736.28, 647,212.36 and 151,100.44

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Solution

The fourth proportional to 431,736.28, 647,212.36 and 151,100.44 is: 226,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,736.28 : 647,212.36 = 151,100.44 : x
  2. Step 2: Convert to fraction form
    431,736.28/647,212.36 = 151,100.44/x
  3. Step 3: Cross multiply
    431,736.28x = 647,212.36 × 151,100.44
  4. Step 4: Simplify right side
    431,736.28x = 97,794,072,369.44
  5. Step 5: Solve for x
    x = 97,794,072,369.44/431,736.28
  6. Step 6: Final answer
    x = 226,513.45

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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.