Finding the Fourth Proportional to 121,450.12, 182,204.82 and 46,568.92
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Solution
The fourth proportional to 121,450.12, 182,204.82 and 46,568.92 is: 69,864.75
Step by Step Solution
- Step 1: Write the proportion equation
121,450.12 : 182,204.82 = 46,568.92 : x - Step 2: Convert to fraction form
121,450.12/182,204.82 = 46,568.92/x - Step 3: Cross multiply
121,450.12x = 182,204.82 × 46,568.92 - Step 4: Simplify right side
121,450.12x = 8,485,081,686.19 - Step 5: Solve for x
x = 8,485,081,686.19/121,450.12 - Step 6: Final answer
x = 69,864.75
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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.