Home / 335,930.20-504,089.70-125,589.40

Finding the Fourth Proportional to 335,930.20, 504,089.70 and 125,589.40

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Solution

The fourth proportional to 335,930.20, 504,089.70 and 125,589.40 is: 188,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,930.20 : 504,089.70 = 125,589.40 : x
  2. Step 2: Convert to fraction form
    335,930.20/504,089.70 = 125,589.40/x
  3. Step 3: Cross multiply
    335,930.20x = 504,089.70 × 125,589.40
  4. Step 4: Simplify right side
    335,930.20x = 63,308,322,969.18
  5. Step 5: Solve for x
    x = 63,308,322,969.18/335,930.20
  6. Step 6: Final answer
    x = 188,456.78

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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.