Home / 388,245.24-582,371.46-121,999.86

Finding the Fourth Proportional to 388,245.24, 582,371.46 and 121,999.86

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Solution

The fourth proportional to 388,245.24, 582,371.46 and 121,999.86 is: 183,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,245.24 : 582,371.46 = 121,999.86 : x
  2. Step 2: Convert to fraction form
    388,245.24/582,371.46 = 121,999.86/x
  3. Step 3: Cross multiply
    388,245.24x = 582,371.46 × 121,999.86
  4. Step 4: Simplify right side
    388,245.24x = 71,049,236,588.00
  5. Step 5: Solve for x
    x = 71,049,236,588.00/388,245.24
  6. Step 6: Final answer
    x = 183,000.92

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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.