Finding the Fourth Proportional to 213,859.80, 295,122.94 and 118,364.44
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Solution
The fourth proportional to 213,859.80, 295,122.94 and 118,364.44 is: 163,340.94
Step by Step Solution
- Step 1: Write the proportion equation
213,859.80 : 295,122.94 = 118,364.44 : x - Step 2: Convert to fraction form
213,859.80/295,122.94 = 118,364.44/x - Step 3: Cross multiply
213,859.80x = 295,122.94 × 118,364.44 - Step 4: Simplify right side
213,859.80x = 34,932,061,524.25 - Step 5: Solve for x
x = 34,932,061,524.25/213,859.80 - Step 6: Final answer
x = 163,340.94
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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.