Home / 388,614.92-582,943.23-122,396.27

Finding the Fourth Proportional to 388,614.92, 582,943.23 and 122,396.27

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Solution

The fourth proportional to 388,614.92, 582,943.23 and 122,396.27 is: 183,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,614.92 : 582,943.23 = 122,396.27 : x
  2. Step 2: Convert to fraction form
    388,614.92/582,943.23 = 122,396.27/x
  3. Step 3: Cross multiply
    388,614.92x = 582,943.23 × 122,396.27
  4. Step 4: Simplify right side
    388,614.92x = 71,350,074,059.04
  5. Step 5: Solve for x
    x = 71,350,074,059.04/388,614.92
  6. Step 6: Final answer
    x = 183,600.97

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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.