Finding the Fourth Proportional to 202,770.06, 279,729.69 and 131,173.14
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Solution
The fourth proportional to 202,770.06, 279,729.69 and 131,173.14 is: 180,958.78
Step by Step Solution
- Step 1: Write the proportion equation
202,770.06 : 279,729.69 = 131,173.14 : x - Step 2: Convert to fraction form
202,770.06/279,729.69 = 131,173.14/x - Step 3: Cross multiply
202,770.06x = 279,729.69 × 131,173.14 - Step 4: Simplify right side
202,770.06x = 36,693,021,788.53 - Step 5: Solve for x
x = 36,693,021,788.53/202,770.06 - Step 6: Final answer
x = 180,958.78
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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.