Home / 199,007.94-298,511.24-80,679

Finding the Fourth Proportional to 199,007.94, 298,511.24 and 80,679

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Solution

The fourth proportional to 199,007.94, 298,511.24 and 80,679 is: 121,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,007.94 : 298,511.24 = 80,679 : x
  2. Step 2: Convert to fraction form
    199,007.94/298,511.24 = 80,679/x
  3. Step 3: Cross multiply
    199,007.94x = 298,511.24 × 80,679
  4. Step 4: Simplify right side
    199,007.94x = 24,083,587,928.57
  5. Step 5: Solve for x
    x = 24,083,587,928.57/199,007.94
  6. Step 6: Final answer
    x = 121,018.23

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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.