Home / 336,917.88-505,357.38-203,762.39

Finding the Fourth Proportional to 336,917.88, 505,357.38 and 203,762.39

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Solution

The fourth proportional to 336,917.88, 505,357.38 and 203,762.39 is: 305,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,917.88 : 505,357.38 = 203,762.39 : x
  2. Step 2: Convert to fraction form
    336,917.88/505,357.38 = 203,762.39/x
  3. Step 3: Cross multiply
    336,917.88x = 505,357.38 × 203,762.39
  4. Step 4: Simplify right side
    336,917.88x = 102,972,825,026.15
  5. Step 5: Solve for x
    x = 102,972,825,026.15/336,917.88
  6. Step 6: Final answer
    x = 305,631.82

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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.