Finding the Fourth Proportional to 203,201.80, 304,284.30 and 161,729.80
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Solution
The fourth proportional to 203,201.80, 304,284.30 and 161,729.80 is: 242,182.10
Step by Step Solution
- Step 1: Write the proportion equation
203,201.80 : 304,284.30 = 161,729.80 : x - Step 2: Convert to fraction form
203,201.80/304,284.30 = 161,729.80/x - Step 3: Cross multiply
203,201.80x = 304,284.30 × 161,729.80 - Step 4: Simplify right side
203,201.80x = 49,211,838,982.14 - Step 5: Solve for x
x = 49,211,838,982.14/203,201.80 - Step 6: Final answer
x = 242,182.10
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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.