Finding the Fourth Proportional to 206,578.19, 309,202.97 and 106,602.21
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Solution
The fourth proportional to 206,578.19, 309,202.97 and 106,602.21 is: 159,560.50
Step by Step Solution
- Step 1: Write the proportion equation
206,578.19 : 309,202.97 = 106,602.21 : x - Step 2: Convert to fraction form
206,578.19/309,202.97 = 106,602.21/x - Step 3: Cross multiply
206,578.19x = 309,202.97 × 106,602.21 - Step 4: Simplify right side
206,578.19x = 32,961,719,940.56 - Step 5: Solve for x
x = 32,961,719,940.56/206,578.19 - Step 6: Final answer
x = 159,560.50
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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.