Finding the Fourth Proportional to 289,514.62, 399,546.11 and 160,450.41
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Solution
The fourth proportional to 289,514.62, 399,546.11 and 160,450.41 is: 221,430.39
Step by Step Solution
- Step 1: Write the proportion equation
289,514.62 : 399,546.11 = 160,450.41 : x - Step 2: Convert to fraction form
289,514.62/399,546.11 = 160,450.41/x - Step 3: Cross multiply
289,514.62x = 399,546.11 × 160,450.41 - Step 4: Simplify right side
289,514.62x = 64,107,335,763.41 - Step 5: Solve for x
x = 64,107,335,763.41/289,514.62 - Step 6: Final answer
x = 221,430.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.