Home / 198,889.05-298,288.01-56,731.62

Finding the Fourth Proportional to 198,889.05, 298,288.01 and 56,731.62

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Solution

The fourth proportional to 198,889.05, 298,288.01 and 56,731.62 is: 85,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,889.05 : 298,288.01 = 56,731.62 : x
  2. Step 2: Convert to fraction form
    198,889.05/298,288.01 = 56,731.62/x
  3. Step 3: Cross multiply
    198,889.05x = 298,288.01 × 56,731.62
  4. Step 4: Simplify right side
    198,889.05x = 16,922,362,033.88
  5. Step 5: Solve for x
    x = 16,922,362,033.88/198,889.05
  6. Step 6: Final answer
    x = 85,084.43

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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.