Home / 388,276.20-582,636.24-210,797.64

Finding the Fourth Proportional to 388,276.20, 582,636.24 and 210,797.64

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Solution

The fourth proportional to 388,276.20, 582,636.24 and 210,797.64 is: 316,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,276.20 : 582,636.24 = 210,797.64 : x
  2. Step 2: Convert to fraction form
    388,276.20/582,636.24 = 210,797.64/x
  3. Step 3: Cross multiply
    388,276.20x = 582,636.24 × 210,797.64
  4. Step 4: Simplify right side
    388,276.20x = 122,818,344,370.47
  5. Step 5: Solve for x
    x = 122,818,344,370.47/388,276.20
  6. Step 6: Final answer
    x = 316,316.95

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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.