Finding the Fourth Proportional to 206,711.70, 310,067.55 and 180,467.70
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Solution
The fourth proportional to 206,711.70, 310,067.55 and 180,467.70 is: 270,701.55
Step by Step Solution
- Step 1: Write the proportion equation
206,711.70 : 310,067.55 = 180,467.70 : x - Step 2: Convert to fraction form
206,711.70/310,067.55 = 180,467.70/x - Step 3: Cross multiply
206,711.70x = 310,067.55 × 180,467.70 - Step 4: Simplify right side
206,711.70x = 55,957,177,593.14 - Step 5: Solve for x
x = 55,957,177,593.14/206,711.70 - Step 6: Final answer
x = 270,701.55
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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.