Finding the Fourth Proportional to 215,414.44, 322,620.06 and 207,940.84
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Solution
The fourth proportional to 215,414.44, 322,620.06 and 207,940.84 is: 311,427.06
Step by Step Solution
- Step 1: Write the proportion equation
215,414.44 : 322,620.06 = 207,940.84 : x - Step 2: Convert to fraction form
215,414.44/322,620.06 = 207,940.84/x - Step 3: Cross multiply
215,414.44x = 322,620.06 × 207,940.84 - Step 4: Simplify right side
215,414.44x = 67,085,886,277.25 - Step 5: Solve for x
x = 67,085,886,277.25/215,414.44 - Step 6: Final answer
x = 311,427.06
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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.