Home / 388,342.60-582,597.06-219,942.52

Finding the Fourth Proportional to 388,342.60, 582,597.06 and 219,942.52

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Solution

The fourth proportional to 388,342.60, 582,597.06 and 219,942.52 is: 329,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,342.60 : 582,597.06 = 219,942.52 : x
  2. Step 2: Convert to fraction form
    388,342.60/582,597.06 = 219,942.52/x
  3. Step 3: Cross multiply
    388,342.60x = 582,597.06 × 219,942.52
  4. Step 4: Simplify right side
    388,342.60x = 128,137,865,520.99
  5. Step 5: Solve for x
    x = 128,137,865,520.99/388,342.60
  6. Step 6: Final answer
    x = 329,960.88

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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.