Finding the Fourth Proportional to 235,286.88, 352,933.92 and 129,876.72
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Solution
The fourth proportional to 235,286.88, 352,933.92 and 129,876.72 is: 194,817.07
Step by Step Solution
- Step 1: Write the proportion equation
235,286.88 : 352,933.92 = 129,876.72 : x - Step 2: Convert to fraction form
235,286.88/352,933.92 = 129,876.72/x - Step 3: Cross multiply
235,286.88x = 352,933.92 × 129,876.72 - Step 4: Simplify right side
235,286.88x = 45,837,899,906.34 - Step 5: Solve for x
x = 45,837,899,906.34/235,286.88 - Step 6: Final answer
x = 194,817.07
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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.