Finding the Fourth Proportional to 203,168.94, 304,764.35 and 84,721.02
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Solution
The fourth proportional to 203,168.94, 304,764.35 and 84,721.02 is: 127,086.09
Step by Step Solution
- Step 1: Write the proportion equation
203,168.94 : 304,764.35 = 84,721.02 : x - Step 2: Convert to fraction form
203,168.94/304,764.35 = 84,721.02/x - Step 3: Cross multiply
203,168.94x = 304,764.35 × 84,721.02 - Step 4: Simplify right side
203,168.94x = 25,819,946,168.03 - Step 5: Solve for x
x = 25,819,946,168.03/203,168.94 - Step 6: Final answer
x = 127,086.09
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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.