Home / 388,160.20-582,234.83-121,936.69

Finding the Fourth Proportional to 388,160.20, 582,234.83 and 121,936.69

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Solution

The fourth proportional to 388,160.20, 582,234.83 and 121,936.69 is: 182,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,160.20 : 582,234.83 = 121,936.69 : x
  2. Step 2: Convert to fraction form
    388,160.20/582,234.83 = 121,936.69/x
  3. Step 3: Cross multiply
    388,160.20x = 582,234.83 × 121,936.69
  4. Step 4: Simplify right side
    388,160.20x = 70,995,784,452.06
  5. Step 5: Solve for x
    x = 70,995,784,452.06/388,160.20
  6. Step 6: Final answer
    x = 182,903.31

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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.