Finding the Fourth Proportional to 213,540.84, 294,715.62 and 122,894.94
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Solution
The fourth proportional to 213,540.84, 294,715.62 and 122,894.94 is: 169,611.86
Step by Step Solution
- Step 1: Write the proportion equation
213,540.84 : 294,715.62 = 122,894.94 : x - Step 2: Convert to fraction form
213,540.84/294,715.62 = 122,894.94/x - Step 3: Cross multiply
213,540.84x = 294,715.62 × 122,894.94 - Step 4: Simplify right side
213,540.84x = 36,219,058,436.96 - Step 5: Solve for x
x = 36,219,058,436.96/213,540.84 - Step 6: Final answer
x = 169,611.86
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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.