Home / 388,615.14-582,922.71-222,286.50

Finding the Fourth Proportional to 388,615.14, 582,922.71 and 222,286.50

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Solution

The fourth proportional to 388,615.14, 582,922.71 and 222,286.50 is: 333,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,615.14 : 582,922.71 = 222,286.50 : x
  2. Step 2: Convert to fraction form
    388,615.14/582,922.71 = 222,286.50/x
  3. Step 3: Cross multiply
    388,615.14x = 582,922.71 × 222,286.50
  4. Step 4: Simplify right side
    388,615.14x = 129,575,848,976.42
  5. Step 5: Solve for x
    x = 129,575,848,976.42/388,615.14
  6. Step 6: Final answer
    x = 333,429.75

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1.5x scale

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.