Home / 388,292.94-582,579.58-135,610.64

Finding the Fourth Proportional to 388,292.94, 582,579.58 and 135,610.64

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Solution

The fourth proportional to 388,292.94, 582,579.58 and 135,610.64 is: 203,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,292.94 : 582,579.58 = 135,610.64 : x
  2. Step 2: Convert to fraction form
    388,292.94/582,579.58 = 135,610.64/x
  3. Step 3: Cross multiply
    388,292.94x = 582,579.58 × 135,610.64
  4. Step 4: Simplify right side
    388,292.94x = 79,003,989,694.73
  5. Step 5: Solve for x
    x = 79,003,989,694.73/388,292.94
  6. Step 6: Final answer
    x = 203,464.91

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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.