Home / 335,932.40-503,218.20-209,183.60

Finding the Fourth Proportional to 335,932.40, 503,218.20 and 209,183.60

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Solution

The fourth proportional to 335,932.40, 503,218.20 and 209,183.60 is: 313,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,932.40 : 503,218.20 = 209,183.60 : x
  2. Step 2: Convert to fraction form
    335,932.40/503,218.20 = 209,183.60/x
  3. Step 3: Cross multiply
    335,932.40x = 503,218.20 × 209,183.60
  4. Step 4: Simplify right side
    335,932.40x = 105,264,994,661.52
  5. Step 5: Solve for x
    x = 105,264,994,661.52/335,932.40
  6. Step 6: Final answer
    x = 313,351.72

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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.