Finding the Fourth Proportional to 203,857.05, 281,277.36 and 123,282.81
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Solution
The fourth proportional to 203,857.05, 281,277.36 and 123,282.81 is: 170,102.84
Step by Step Solution
- Step 1: Write the proportion equation
203,857.05 : 281,277.36 = 123,282.81 : x - Step 2: Convert to fraction form
203,857.05/281,277.36 = 123,282.81/x - Step 3: Cross multiply
203,857.05x = 281,277.36 × 123,282.81 - Step 4: Simplify right side
203,857.05x = 34,676,663,330.18 - Step 5: Solve for x
x = 34,676,663,330.18/203,857.05 - Step 6: Final answer
x = 170,102.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.