Home / 388,615.92-582,944.73-122,397.27

Finding the Fourth Proportional to 388,615.92, 582,944.73 and 122,397.27

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Solution

The fourth proportional to 388,615.92, 582,944.73 and 122,397.27 is: 183,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,615.92 : 582,944.73 = 122,397.27 : x
  2. Step 2: Convert to fraction form
    388,615.92/582,944.73 = 122,397.27/x
  3. Step 3: Cross multiply
    388,615.92x = 582,944.73 × 122,397.27
  4. Step 4: Simplify right side
    388,615.92x = 71,350,843,512.89
  5. Step 5: Solve for x
    x = 71,350,843,512.89/388,615.92
  6. Step 6: Final answer
    x = 183,602.47

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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.