Finding the Fourth Proportional to 253,850.08, 350,329.44 and 140,680.12
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Solution
The fourth proportional to 253,850.08, 350,329.44 and 140,680.12 is: 194,147.62
Step by Step Solution
- Step 1: Write the proportion equation
253,850.08 : 350,329.44 = 140,680.12 : x - Step 2: Convert to fraction form
253,850.08/350,329.44 = 140,680.12/x - Step 3: Cross multiply
253,850.08x = 350,329.44 × 140,680.12 - Step 4: Simplify right side
253,850.08x = 49,284,387,658.73 - Step 5: Solve for x
x = 49,284,387,658.73/253,850.08 - Step 6: Final answer
x = 194,147.62
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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.