Finding the Fourth Proportional to 220,183.19, 303,851.09 and 119,581.19
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Solution
The fourth proportional to 220,183.19, 303,851.09 and 119,581.19 is: 165,021.11
Step by Step Solution
- Step 1: Write the proportion equation
220,183.19 : 303,851.09 = 119,581.19 : x - Step 2: Convert to fraction form
220,183.19/303,851.09 = 119,581.19/x - Step 3: Cross multiply
220,183.19x = 303,851.09 × 119,581.19 - Step 4: Simplify right side
220,183.19x = 36,334,874,925.00 - Step 5: Solve for x
x = 36,334,874,925.00/220,183.19 - Step 6: Final answer
x = 165,021.11
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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.