Finding the Fourth Proportional to 192,100.99, 288,354.40 and 107,933.08
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Solution
The fourth proportional to 192,100.99, 288,354.40 and 107,933.08 is: 162,013.63
Step by Step Solution
- Step 1: Write the proportion equation
192,100.99 : 288,354.40 = 107,933.08 : x - Step 2: Convert to fraction form
192,100.99/288,354.40 = 107,933.08/x - Step 3: Cross multiply
192,100.99x = 288,354.40 × 107,933.08 - Step 4: Simplify right side
192,100.99x = 31,122,978,704.77 - Step 5: Solve for x
x = 31,122,978,704.77/192,100.99 - Step 6: Final answer
x = 162,013.63
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1.5x scale
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.