Finding the Fourth Proportional to 192,402.70, 288,604.04 and 52,157.68
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Solution
The fourth proportional to 192,402.70, 288,604.04 and 52,157.68 is: 78,236.52
Step by Step Solution
- Step 1: Write the proportion equation
192,402.70 : 288,604.04 = 52,157.68 : x - Step 2: Convert to fraction form
192,402.70/288,604.04 = 52,157.68/x - Step 3: Cross multiply
192,402.70x = 288,604.04 × 52,157.68 - Step 4: Simplify right side
192,402.70x = 15,052,917,165.03 - Step 5: Solve for x
x = 15,052,917,165.03/192,402.70 - Step 6: Final answer
x = 78,236.52
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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.