Finding the Fourth Proportional to 193,888.75, 290,832.69 and 92,378.68
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Solution
The fourth proportional to 193,888.75, 290,832.69 and 92,378.68 is: 138,567.80
Step by Step Solution
- Step 1: Write the proportion equation
193,888.75 : 290,832.69 = 92,378.68 : x - Step 2: Convert to fraction form
193,888.75/290,832.69 = 92,378.68/x - Step 3: Cross multiply
193,888.75x = 290,832.69 × 92,378.68 - Step 4: Simplify right side
193,888.75x = 26,866,738,548.89 - Step 5: Solve for x
x = 26,866,738,548.89/193,888.75 - Step 6: Final answer
x = 138,567.80
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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.