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Finding the Fourth Proportional to 335,997.96, 504,095.37 and 99,346.80

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Solution

The fourth proportional to 335,997.96, 504,095.37 and 99,346.80 is: 149,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,997.96 : 504,095.37 = 99,346.80 : x
  2. Step 2: Convert to fraction form
    335,997.96/504,095.37 = 99,346.80/x
  3. Step 3: Cross multiply
    335,997.96x = 504,095.37 × 99,346.80
  4. Step 4: Simplify right side
    335,997.96x = 50,080,261,904.32
  5. Step 5: Solve for x
    x = 50,080,261,904.32/335,997.96
  6. Step 6: Final answer
    x = 149,049.30

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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.