Finding the Fourth Proportional to 151,569.05, 209,170.33 and 82,662.26
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Solution
The fourth proportional to 151,569.05, 209,170.33 and 82,662.26 is: 114,076.66
Step by Step Solution
- Step 1: Write the proportion equation
151,569.05 : 209,170.33 = 82,662.26 : x - Step 2: Convert to fraction form
151,569.05/209,170.33 = 82,662.26/x - Step 3: Cross multiply
151,569.05x = 209,170.33 × 82,662.26 - Step 4: Simplify right side
151,569.05x = 17,290,490,950.24 - Step 5: Solve for x
x = 17,290,490,950.24/151,569.05 - Step 6: Final answer
x = 114,076.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.