Home / 336,669.75-505,087.83-100,012.05

Finding the Fourth Proportional to 336,669.75, 505,087.83 and 100,012.05

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Solution

The fourth proportional to 336,669.75, 505,087.83 and 100,012.05 is: 150,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,669.75 : 505,087.83 = 100,012.05 : x
  2. Step 2: Convert to fraction form
    336,669.75/505,087.83 = 100,012.05/x
  3. Step 3: Cross multiply
    336,669.75x = 505,087.83 × 100,012.05
  4. Step 4: Simplify right side
    336,669.75x = 50,514,869,308.35
  5. Step 5: Solve for x
    x = 50,514,869,308.35/336,669.75
  6. Step 6: Final answer
    x = 150,042.79

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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.