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Finding the Fourth Proportional to 199,670.79, 275,544.30 and 109,026.72

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Solution

The fourth proportional to 199,670.79, 275,544.30 and 109,026.72 is: 150,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,670.79 : 275,544.30 = 109,026.72 : x
  2. Step 2: Convert to fraction form
    199,670.79/275,544.30 = 109,026.72/x
  3. Step 3: Cross multiply
    199,670.79x = 275,544.30 × 109,026.72
  4. Step 4: Simplify right side
    199,670.79x = 30,041,691,243.70
  5. Step 5: Solve for x
    x = 30,041,691,243.70/199,670.79
  6. Step 6: Final answer
    x = 150,456.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.