Finding the Fourth Proportional to 79,208.44, 118,816.26 and 44,121.64
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Solution
The fourth proportional to 79,208.44, 118,816.26 and 44,121.64 is: 66,184.47
Step by Step Solution
- Step 1: Write the proportion equation
79,208.44 : 118,816.26 = 44,121.64 : x - Step 2: Convert to fraction form
79,208.44/118,816.26 = 44,121.64/x - Step 3: Cross multiply
79,208.44x = 118,816.26 × 44,121.64 - Step 4: Simplify right side
79,208.44x = 5,242,368,249.87 - Step 5: Solve for x
x = 5,242,368,249.87/79,208.44 - Step 6: Final answer
x = 66,184.47
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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.