Finding the Fourth Proportional to 200,081.58, 276,121.44 and 115,225.98
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Solution
The fourth proportional to 200,081.58, 276,121.44 and 115,225.98 is: 159,016.95
Step by Step Solution
- Step 1: Write the proportion equation
200,081.58 : 276,121.44 = 115,225.98 : x - Step 2: Convert to fraction form
200,081.58/276,121.44 = 115,225.98/x - Step 3: Cross multiply
200,081.58x = 276,121.44 × 115,225.98 - Step 4: Simplify right side
200,081.58x = 31,816,363,523.01 - Step 5: Solve for x
x = 31,816,363,523.01/200,081.58 - Step 6: Final answer
x = 159,016.95
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1.5x scale
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.