Home / 388,584.45-582,929.69-135,806.27

Finding the Fourth Proportional to 388,584.45, 582,929.69 and 135,806.27

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Solution

The fourth proportional to 388,584.45, 582,929.69 and 135,806.27 is: 203,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,584.45 : 582,929.69 = 135,806.27 : x
  2. Step 2: Convert to fraction form
    388,584.45/582,929.69 = 135,806.27/x
  3. Step 3: Cross multiply
    388,584.45x = 582,929.69 × 135,806.27
  4. Step 4: Simplify right side
    388,584.45x = 79,165,503,277.48
  5. Step 5: Solve for x
    x = 79,165,503,277.48/388,584.45
  6. Step 6: Final answer
    x = 203,727.92

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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.