Home / 199,078.86-298,611-49,319.58

Finding the Fourth Proportional to 199,078.86, 298,611 and 49,319.58

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Solution

The fourth proportional to 199,078.86, 298,611 and 49,319.58 is: 73,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,078.86 : 298,611 = 49,319.58 : x
  2. Step 2: Convert to fraction form
    199,078.86/298,611 = 49,319.58/x
  3. Step 3: Cross multiply
    199,078.86x = 298,611 × 49,319.58
  4. Step 4: Simplify right side
    199,078.86x = 14,727,369,103.38
  5. Step 5: Solve for x
    x = 14,727,369,103.38/199,078.86
  6. Step 6: Final answer
    x = 73,977.56

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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.