Home / 388,556.88-582,868.32-108,074.16

Finding the Fourth Proportional to 388,556.88, 582,868.32 and 108,074.16

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Solution

The fourth proportional to 388,556.88, 582,868.32 and 108,074.16 is: 162,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,556.88 : 582,868.32 = 108,074.16 : x
  2. Step 2: Convert to fraction form
    388,556.88/582,868.32 = 108,074.16/x
  3. Step 3: Cross multiply
    388,556.88x = 582,868.32 × 108,074.16
  4. Step 4: Simplify right side
    388,556.88x = 62,993,004,074.61
  5. Step 5: Solve for x
    x = 62,993,004,074.61/388,556.88
  6. Step 6: Final answer
    x = 162,120.42

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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.