Finding the Fourth Proportional to 203,044.05, 304,504.55 and 84,687.72
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Solution
The fourth proportional to 203,044.05, 304,504.55 and 84,687.72 is: 127,005.92
Step by Step Solution
- Step 1: Write the proportion equation
203,044.05 : 304,504.55 = 84,687.72 : x - Step 2: Convert to fraction form
203,044.05/304,504.55 = 84,687.72/x - Step 3: Cross multiply
203,044.05x = 304,504.55 × 84,687.72 - Step 4: Simplify right side
203,044.05x = 25,787,796,069.13 - Step 5: Solve for x
x = 25,787,796,069.13/203,044.05 - Step 6: Final answer
x = 127,005.92
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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.