Home / 388,251.24-582,380.46-122,005.86

Finding the Fourth Proportional to 388,251.24, 582,380.46 and 122,005.86

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Solution

The fourth proportional to 388,251.24, 582,380.46 and 122,005.86 is: 183,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,251.24 : 582,380.46 = 122,005.86 : x
  2. Step 2: Convert to fraction form
    388,251.24/582,380.46 = 122,005.86/x
  3. Step 3: Cross multiply
    388,251.24x = 582,380.46 × 122,005.86
  4. Step 4: Simplify right side
    388,251.24x = 71,053,828,869.50
  5. Step 5: Solve for x
    x = 71,053,828,869.50/388,251.24
  6. Step 6: Final answer
    x = 183,009.92

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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.