Home / 388,642.97-582,979.82-108,184.73

Finding the Fourth Proportional to 388,642.97, 582,979.82 and 108,184.73

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Solution

The fourth proportional to 388,642.97, 582,979.82 and 108,184.73 is: 162,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,642.97 : 582,979.82 = 108,184.73 : x
  2. Step 2: Convert to fraction form
    388,642.97/582,979.82 = 108,184.73/x
  3. Step 3: Cross multiply
    388,642.97x = 582,979.82 × 108,184.73
  4. Step 4: Simplify right side
    388,642.97x = 63,069,513,881.23
  5. Step 5: Solve for x
    x = 63,069,513,881.23/388,642.97
  6. Step 6: Final answer
    x = 162,281.37

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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.