Finding the Fourth Proportional to 209,252.88, 288,772.26 and 113,759.94
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Solution
The fourth proportional to 209,252.88, 288,772.26 and 113,759.94 is: 156,990.50
Step by Step Solution
- Step 1: Write the proportion equation
209,252.88 : 288,772.26 = 113,759.94 : x - Step 2: Convert to fraction form
209,252.88/288,772.26 = 113,759.94/x - Step 3: Cross multiply
209,252.88x = 288,772.26 × 113,759.94 - Step 4: Simplify right side
209,252.88x = 32,850,714,971.26 - Step 5: Solve for x
x = 32,850,714,971.26/209,252.88 - Step 6: Final answer
x = 156,990.50
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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.