Finding the Fourth Proportional to 206,811.72, 310,205.26 and 73,684.92
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Solution
The fourth proportional to 206,811.72, 310,205.26 and 73,684.92 is: 110,522.99
Step by Step Solution
- Step 1: Write the proportion equation
206,811.72 : 310,205.26 = 73,684.92 : x - Step 2: Convert to fraction form
206,811.72/310,205.26 = 73,684.92/x - Step 3: Cross multiply
206,811.72x = 310,205.26 × 73,684.92 - Step 4: Simplify right side
206,811.72x = 22,857,449,766.68 - Step 5: Solve for x
x = 22,857,449,766.68/206,811.72 - Step 6: Final answer
x = 110,522.99
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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.