Finding the Fourth Proportional to 208,920.09, 288,324.99 and 117,047.46
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Solution
The fourth proportional to 208,920.09, 288,324.99 and 117,047.46 is: 161,534.05
Step by Step Solution
- Step 1: Write the proportion equation
208,920.09 : 288,324.99 = 117,047.46 : x - Step 2: Convert to fraction form
208,920.09/288,324.99 = 117,047.46/x - Step 3: Cross multiply
208,920.09x = 288,324.99 × 117,047.46 - Step 4: Simplify right side
208,920.09x = 33,747,707,734.03 - Step 5: Solve for x
x = 33,747,707,734.03/208,920.09 - Step 6: Final answer
x = 161,534.05
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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.