Finding the Fourth Proportional to 212,183.07, 292,806.79 and 116,689.75
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Solution
The fourth proportional to 212,183.07, 292,806.79 and 116,689.75 is: 161,028.64
Step by Step Solution
- Step 1: Write the proportion equation
212,183.07 : 292,806.79 = 116,689.75 : x - Step 2: Convert to fraction form
212,183.07/292,806.79 = 116,689.75/x - Step 3: Cross multiply
212,183.07x = 292,806.79 × 116,689.75 - Step 4: Simplify right side
212,183.07x = 34,167,550,539.95 - Step 5: Solve for x
x = 34,167,550,539.95/212,183.07 - Step 6: Final answer
x = 161,028.64
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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.