Home / 388,582.60-582,761.76-163,993.36

Finding the Fourth Proportional to 388,582.60, 582,761.76 and 163,993.36

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Solution

The fourth proportional to 388,582.60, 582,761.76 and 163,993.36 is: 245,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,582.60 : 582,761.76 = 163,993.36 : x
  2. Step 2: Convert to fraction form
    388,582.60/582,761.76 = 163,993.36/x
  3. Step 3: Cross multiply
    388,582.60x = 582,761.76 × 163,993.36
  4. Step 4: Simplify right side
    388,582.60x = 95,569,059,101.91
  5. Step 5: Solve for x
    x = 95,569,059,101.91/388,582.60
  6. Step 6: Final answer
    x = 245,942.71

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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.