Finding the Fourth Proportional to 98,193.21, 135,617.00 and 66,306.75
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Solution
The fourth proportional to 98,193.21, 135,617.00 and 66,306.75 is: 91,577.84
Step by Step Solution
- Step 1: Write the proportion equation
98,193.21 : 135,617.00 = 66,306.75 : x - Step 2: Convert to fraction form
98,193.21/135,617.00 = 66,306.75/x - Step 3: Cross multiply
98,193.21x = 135,617.00 × 66,306.75 - Step 4: Simplify right side
98,193.21x = 8,992,322,183.22 - Step 5: Solve for x
x = 8,992,322,183.22/98,193.21 - Step 6: Final answer
x = 91,577.84
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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.