Finding the Fourth Proportional to 148,245.26, 204,575.97 and 80,261.68
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Solution
The fourth proportional to 148,245.26, 204,575.97 and 80,261.68 is: 110,759.77
Step by Step Solution
- Step 1: Write the proportion equation
148,245.26 : 204,575.97 = 80,261.68 : x - Step 2: Convert to fraction form
148,245.26/204,575.97 = 80,261.68/x - Step 3: Cross multiply
148,245.26x = 204,575.97 × 80,261.68 - Step 4: Simplify right side
148,245.26x = 16,419,610,829.37 - Step 5: Solve for x
x = 16,419,610,829.37/148,245.26 - Step 6: Final answer
x = 110,759.77
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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.