Finding the Fourth Proportional to 121,518.26, 182,269.26 and 58,383.62
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Solution
The fourth proportional to 121,518.26, 182,269.26 and 58,383.62 is: 87,571.52
Step by Step Solution
- Step 1: Write the proportion equation
121,518.26 : 182,269.26 = 58,383.62 : x - Step 2: Convert to fraction form
121,518.26/182,269.26 = 58,383.62/x - Step 3: Cross multiply
121,518.26x = 182,269.26 × 58,383.62 - Step 4: Simplify right side
121,518.26x = 10,641,539,213.52 - Step 5: Solve for x
x = 10,641,539,213.52/121,518.26 - Step 6: Final answer
x = 87,571.52
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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.