Finding the Fourth Proportional to 206,840.68, 309,973.97 and 94,245.73
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Solution
The fourth proportional to 206,840.68, 309,973.97 and 94,245.73 is: 141,237.80
Step by Step Solution
- Step 1: Write the proportion equation
206,840.68 : 309,973.97 = 94,245.73 : x - Step 2: Convert to fraction form
206,840.68/309,973.97 = 94,245.73/x - Step 3: Cross multiply
206,840.68x = 309,973.97 × 94,245.73 - Step 4: Simplify right side
206,840.68x = 29,213,721,062.55 - Step 5: Solve for x
x = 29,213,721,062.55/206,840.68 - Step 6: Final answer
x = 141,237.80
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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.