Home / 388,587.27-582,727.80-188,848.56

Finding the Fourth Proportional to 388,587.27, 582,727.80 and 188,848.56

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Solution

The fourth proportional to 388,587.27, 582,727.80 and 188,848.56 is: 283,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,587.27 : 582,727.80 = 188,848.56 : x
  2. Step 2: Convert to fraction form
    388,587.27/582,727.80 = 188,848.56/x
  3. Step 3: Cross multiply
    388,587.27x = 582,727.80 × 188,848.56
  4. Step 4: Simplify right side
    388,587.27x = 110,047,305,901.97
  5. Step 5: Solve for x
    x = 110,047,305,901.97/388,587.27
  6. Step 6: Final answer
    x = 283,198.43

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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.