Finding the Fourth Proportional to 288,190.06, 397,700.75 and 167,361.05
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Solution
The fourth proportional to 288,190.06, 397,700.75 and 167,361.05 is: 230,957.37
Step by Step Solution
- Step 1: Write the proportion equation
288,190.06 : 397,700.75 = 167,361.05 : x - Step 2: Convert to fraction form
288,190.06/397,700.75 = 167,361.05/x - Step 3: Cross multiply
288,190.06x = 397,700.75 × 167,361.05 - Step 4: Simplify right side
288,190.06x = 66,559,616,518.44 - Step 5: Solve for x
x = 66,559,616,518.44/288,190.06 - Step 6: Final answer
x = 230,957.37
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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.