Home / 388,489.43-582,824.29-122,243.03

Finding the Fourth Proportional to 388,489.43, 582,824.29 and 122,243.03

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Solution

The fourth proportional to 388,489.43, 582,824.29 and 122,243.03 is: 183,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,489.43 : 582,824.29 = 122,243.03 : x
  2. Step 2: Convert to fraction form
    388,489.43/582,824.29 = 122,243.03/x
  3. Step 3: Cross multiply
    388,489.43x = 582,824.29 × 122,243.03
  4. Step 4: Simplify right side
    388,489.43x = 71,246,204,405.88
  5. Step 5: Solve for x
    x = 71,246,204,405.88/388,489.43
  6. Step 6: Final answer
    x = 183,392.90

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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.