Finding the Fourth Proportional to 192,083.80, 288,125.70 and 98,771.80
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Solution
The fourth proportional to 192,083.80, 288,125.70 and 98,771.80 is: 148,157.70
Step by Step Solution
- Step 1: Write the proportion equation
192,083.80 : 288,125.70 = 98,771.80 : x - Step 2: Convert to fraction form
192,083.80/288,125.70 = 98,771.80/x - Step 3: Cross multiply
192,083.80x = 288,125.70 × 98,771.80 - Step 4: Simplify right side
192,083.80x = 28,458,694,015.26 - Step 5: Solve for x
x = 28,458,694,015.26/192,083.80 - Step 6: Final answer
x = 148,157.70
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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.