Home / 431,629.44-647,353.44-116,089.08

Finding the Fourth Proportional to 431,629.44, 647,353.44 and 116,089.08

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Solution

The fourth proportional to 431,629.44, 647,353.44 and 116,089.08 is: 174,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,629.44 : 647,353.44 = 116,089.08 : x
  2. Step 2: Convert to fraction form
    431,629.44/647,353.44 = 116,089.08/x
  3. Step 3: Cross multiply
    431,629.44x = 647,353.44 × 116,089.08
  4. Step 4: Simplify right side
    431,629.44x = 75,150,665,284.44
  5. Step 5: Solve for x
    x = 75,150,665,284.44/431,629.44
  6. Step 6: Final answer
    x = 174,109.22

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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.