Home / 388,600.37-582,979.14-163,961.28

Finding the Fourth Proportional to 388,600.37, 582,979.14 and 163,961.28

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Solution

The fourth proportional to 388,600.37, 582,979.14 and 163,961.28 is: 245,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,600.37 : 582,979.14 = 163,961.28 : x
  2. Step 2: Convert to fraction form
    388,600.37/582,979.14 = 163,961.28/x
  3. Step 3: Cross multiply
    388,600.37x = 582,979.14 × 163,961.28
  4. Step 4: Simplify right side
    388,600.37x = 95,586,006,007.70
  5. Step 5: Solve for x
    x = 95,586,006,007.70/388,600.37
  6. Step 6: Final answer
    x = 245,975.08

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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.