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Finding the Fourth Proportional to 199,370.72, 299,055.39 and 49,610.98

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Solution

The fourth proportional to 199,370.72, 299,055.39 and 49,610.98 is: 74,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,370.72 : 299,055.39 = 49,610.98 : x
  2. Step 2: Convert to fraction form
    199,370.72/299,055.39 = 49,610.98/x
  3. Step 3: Cross multiply
    199,370.72x = 299,055.39 × 49,610.98
  4. Step 4: Simplify right side
    199,370.72x = 14,836,431,439.02
  5. Step 5: Solve for x
    x = 14,836,431,439.02/199,370.72
  6. Step 6: Final answer
    x = 74,416.30

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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.