Finding the Fourth Proportional to 209,877.80, 289,622.93 and 114,382.44
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Solution
The fourth proportional to 209,877.80, 289,622.93 and 114,382.44 is: 157,843.17
Step by Step Solution
- Step 1: Write the proportion equation
209,877.80 : 289,622.93 = 114,382.44 : x - Step 2: Convert to fraction form
209,877.80/289,622.93 = 114,382.44/x - Step 3: Cross multiply
209,877.80x = 289,622.93 × 114,382.44 - Step 4: Simplify right side
209,877.80x = 33,127,776,841.44 - Step 5: Solve for x
x = 33,127,776,841.44/209,877.80 - Step 6: Final answer
x = 157,843.17
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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.