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Finding the Fourth Proportional to 199,583.70, 299,375.55 and 179,900.70

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Solution

The fourth proportional to 199,583.70, 299,375.55 and 179,900.70 is: 269,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,583.70 : 299,375.55 = 179,900.70 : x
  2. Step 2: Convert to fraction form
    199,583.70/299,375.55 = 179,900.70/x
  3. Step 3: Cross multiply
    199,583.70x = 299,375.55 × 179,900.70
  4. Step 4: Simplify right side
    199,583.70x = 53,857,871,007.89
  5. Step 5: Solve for x
    x = 53,857,871,007.89/199,583.70
  6. Step 6: Final answer
    x = 269,851.05

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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.