Home / 388,192.37-582,296.29-103,882.47

Finding the Fourth Proportional to 388,192.37, 582,296.29 and 103,882.47

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Solution

The fourth proportional to 388,192.37, 582,296.29 and 103,882.47 is: 155,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,192.37 : 582,296.29 = 103,882.47 : x
  2. Step 2: Convert to fraction form
    388,192.37/582,296.29 = 103,882.47/x
  3. Step 3: Cross multiply
    388,192.37x = 582,296.29 × 103,882.47
  4. Step 4: Simplify right side
    388,192.37x = 60,490,375,018.06
  5. Step 5: Solve for x
    x = 60,490,375,018.06/388,192.37
  6. Step 6: Final answer
    x = 155,825.77

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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.