Finding the Fourth Proportional to 151,662.24, 209,293.26 and 83,683.44
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Solution
The fourth proportional to 151,662.24, 209,293.26 and 83,683.44 is: 115,482.80
Step by Step Solution
- Step 1: Write the proportion equation
151,662.24 : 209,293.26 = 83,683.44 : x - Step 2: Convert to fraction form
151,662.24/209,293.26 = 83,683.44/x - Step 3: Cross multiply
151,662.24x = 209,293.26 × 83,683.44 - Step 4: Simplify right side
151,662.24x = 17,514,379,965.61 - Step 5: Solve for x
x = 17,514,379,965.61/151,662.24 - Step 6: Final answer
x = 115,482.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.