Finding the Fourth Proportional to 213,550.84, 294,729.42 and 122,904.96
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Solution
The fourth proportional to 213,550.84, 294,729.42 and 122,904.96 is: 169,625.69
Step by Step Solution
- Step 1: Write the proportion equation
213,550.84 : 294,729.42 = 122,904.96 : x - Step 2: Convert to fraction form
213,550.84/294,729.42 = 122,904.96/x - Step 3: Cross multiply
213,550.84x = 294,729.42 × 122,904.96 - Step 4: Simplify right side
213,550.84x = 36,223,707,575.92 - Step 5: Solve for x
x = 36,223,707,575.92/213,550.84 - Step 6: Final answer
x = 169,625.69
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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.