Finding the Fourth Proportional to 171,974.14, 258,060.84 and 72,125.44
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Solution
The fourth proportional to 171,974.14, 258,060.84 and 72,125.44 is: 108,229.94
Step by Step Solution
- Step 1: Write the proportion equation
171,974.14 : 258,060.84 = 72,125.44 : x - Step 2: Convert to fraction form
171,974.14/258,060.84 = 72,125.44/x - Step 3: Cross multiply
171,974.14x = 258,060.84 × 72,125.44 - Step 4: Simplify right side
171,974.14x = 18,612,751,631.77 - Step 5: Solve for x
x = 18,612,751,631.77/171,974.14 - Step 6: Final answer
x = 108,229.94
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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.