Finding the Fourth Proportional to 206,883.10, 310,324.65 and 73,767.70
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Solution
The fourth proportional to 206,883.10, 310,324.65 and 73,767.70 is: 110,651.55
Step by Step Solution
- Step 1: Write the proportion equation
206,883.10 : 310,324.65 = 73,767.70 : x - Step 2: Convert to fraction form
206,883.10/310,324.65 = 73,767.70/x - Step 3: Cross multiply
206,883.10x = 310,324.65 × 73,767.70 - Step 4: Simplify right side
206,883.10x = 22,891,935,683.81 - Step 5: Solve for x
x = 22,891,935,683.81/206,883.10 - Step 6: Final answer
x = 110,651.55
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1.5x scale
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.