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Finding the Fourth Proportional to 202,618.73, 279,614.70 and 110,739.89

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Solution

The fourth proportional to 202,618.73, 279,614.70 and 110,739.89 is: 152,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,618.73 : 279,614.70 = 110,739.89 : x
  2. Step 2: Convert to fraction form
    202,618.73/279,614.70 = 110,739.89/x
  3. Step 3: Cross multiply
    202,618.73x = 279,614.70 × 110,739.89
  4. Step 4: Simplify right side
    202,618.73x = 30,964,499,722.31
  5. Step 5: Solve for x
    x = 30,964,499,722.31/202,618.73
  6. Step 6: Final answer
    x = 152,821.51

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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.