Finding the Fourth Proportional to 207,383.10, 310,940.73 and 113,863.74
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Solution
The fourth proportional to 207,383.10, 310,940.73 and 113,863.74 is: 170,722.08
Step by Step Solution
- Step 1: Write the proportion equation
207,383.10 : 310,940.73 = 113,863.74 : x - Step 2: Convert to fraction form
207,383.10/310,940.73 = 113,863.74/x - Step 3: Cross multiply
207,383.10x = 310,940.73 × 113,863.74 - Step 4: Simplify right side
207,383.10x = 35,404,874,436.13 - Step 5: Solve for x
x = 35,404,874,436.13/207,383.10 - Step 6: Final answer
x = 170,722.08
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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.