Finding the Fourth Proportional to 118,067.44, 177,122.20 and 39,186.32
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Solution
The fourth proportional to 118,067.44, 177,122.20 and 39,186.32 is: 58,786.46
Step by Step Solution
- Step 1: Write the proportion equation
118,067.44 : 177,122.20 = 39,186.32 : x - Step 2: Convert to fraction form
118,067.44/177,122.20 = 39,186.32/x - Step 3: Cross multiply
118,067.44x = 177,122.20 × 39,186.32 - Step 4: Simplify right side
118,067.44x = 6,940,767,208.30 - Step 5: Solve for x
x = 6,940,767,208.30/118,067.44 - Step 6: Final answer
x = 58,786.46
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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.