Finding the Fourth Proportional to 190,601.67, 285,793.12 and 72,197.49
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Solution
The fourth proportional to 190,601.67, 285,793.12 and 72,197.49 is: 108,254.80
Step by Step Solution
- Step 1: Write the proportion equation
190,601.67 : 285,793.12 = 72,197.49 : x - Step 2: Convert to fraction form
190,601.67/285,793.12 = 72,197.49/x - Step 3: Cross multiply
190,601.67x = 285,793.12 × 72,197.49 - Step 4: Simplify right side
190,601.67x = 20,633,545,923.27 - Step 5: Solve for x
x = 20,633,545,923.27/190,601.67 - Step 6: Final answer
x = 108,254.80
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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.