Home / 388,497.36-582,829.43-220,098.36

Finding the Fourth Proportional to 388,497.36, 582,829.43 and 220,098.36

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Solution

The fourth proportional to 388,497.36, 582,829.43 and 220,098.36 is: 330,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,497.36 : 582,829.43 = 220,098.36 : x
  2. Step 2: Convert to fraction form
    388,497.36/582,829.43 = 220,098.36/x
  3. Step 3: Cross multiply
    388,497.36x = 582,829.43 × 220,098.36
  4. Step 4: Simplify right side
    388,497.36x = 128,279,802,787.85
  5. Step 5: Solve for x
    x = 128,279,802,787.85/388,497.36
  6. Step 6: Final answer
    x = 330,194.78

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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.