Finding the Fourth Proportional to 204,163.20, 306,244.80 and 194,977.80
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Solution
The fourth proportional to 204,163.20, 306,244.80 and 194,977.80 is: 292,466.70
Step by Step Solution
- Step 1: Write the proportion equation
204,163.20 : 306,244.80 = 194,977.80 : x - Step 2: Convert to fraction form
204,163.20/306,244.80 = 194,977.80/x - Step 3: Cross multiply
204,163.20x = 306,244.80 × 194,977.80 - Step 4: Simplify right side
204,163.20x = 59,710,937,365.44 - Step 5: Solve for x
x = 59,710,937,365.44/204,163.20 - Step 6: Final answer
x = 292,466.70
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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.