Finding the Fourth Proportional to 203,211.78, 304,768.44 and 84,818.94
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Solution
The fourth proportional to 203,211.78, 304,768.44 and 84,818.94 is: 127,207.86
Step by Step Solution
- Step 1: Write the proportion equation
203,211.78 : 304,768.44 = 84,818.94 : x - Step 2: Convert to fraction form
203,211.78/304,768.44 = 84,818.94/x - Step 3: Cross multiply
203,211.78x = 304,768.44 × 84,818.94 - Step 4: Simplify right side
203,211.78x = 25,850,136,026.25 - Step 5: Solve for x
x = 25,850,136,026.25/203,211.78 - Step 6: Final answer
x = 127,207.86
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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.