Finding the Fourth Proportional to 236,822.44, 326,821.26 and 129,391.60
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Solution
The fourth proportional to 236,822.44, 326,821.26 and 129,391.60 is: 178,563.85
Step by Step Solution
- Step 1: Write the proportion equation
236,822.44 : 326,821.26 = 129,391.60 : x - Step 2: Convert to fraction form
236,822.44/326,821.26 = 129,391.60/x - Step 3: Cross multiply
236,822.44x = 326,821.26 × 129,391.60 - Step 4: Simplify right side
236,822.44x = 42,287,925,745.42 - Step 5: Solve for x
x = 42,287,925,745.42/236,822.44 - Step 6: Final answer
x = 178,563.85
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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.