Finding the Fourth Proportional to 208,914.44, 313,251.48 and 111,420.79
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Solution
The fourth proportional to 208,914.44, 313,251.48 and 111,420.79 is: 167,067.09
Step by Step Solution
- Step 1: Write the proportion equation
208,914.44 : 313,251.48 = 111,420.79 : x - Step 2: Convert to fraction form
208,914.44/313,251.48 = 111,420.79/x - Step 3: Cross multiply
208,914.44x = 313,251.48 × 111,420.79 - Step 4: Simplify right side
208,914.44x = 34,902,726,587.14 - Step 5: Solve for x
x = 34,902,726,587.14/208,914.44 - Step 6: Final answer
x = 167,067.09
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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.