Finding the Fourth Proportional to 192,133.80, 288,114.30 and 73,765.80
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Solution
The fourth proportional to 192,133.80, 288,114.30 and 73,765.80 is: 110,615.53
Step by Step Solution
- Step 1: Write the proportion equation
192,133.80 : 288,114.30 = 73,765.80 : x - Step 2: Convert to fraction form
192,133.80/288,114.30 = 73,765.80/x - Step 3: Cross multiply
192,133.80x = 288,114.30 × 73,765.80 - Step 4: Simplify right side
192,133.80x = 21,252,981,830.94 - Step 5: Solve for x
x = 21,252,981,830.94/192,133.80 - Step 6: Final answer
x = 110,615.53
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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.