Home / 198,860.94-298,291.41-56,709.18

Finding the Fourth Proportional to 198,860.94, 298,291.41 and 56,709.18

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Solution

The fourth proportional to 198,860.94, 298,291.41 and 56,709.18 is: 85,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,860.94 : 298,291.41 = 56,709.18 : x
  2. Step 2: Convert to fraction form
    198,860.94/298,291.41 = 56,709.18/x
  3. Step 3: Cross multiply
    198,860.94x = 298,291.41 × 56,709.18
  4. Step 4: Simplify right side
    198,860.94x = 16,915,861,262.14
  5. Step 5: Solve for x
    x = 16,915,861,262.14/198,860.94
  6. Step 6: Final answer
    x = 85,063.77

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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.