Finding the Fourth Proportional to 271,257.39, 374,369.85 and 178,202.70
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Solution
The fourth proportional to 271,257.39, 374,369.85 and 178,202.70 is: 245,942.49
Step by Step Solution
- Step 1: Write the proportion equation
271,257.39 : 374,369.85 = 178,202.70 : x - Step 2: Convert to fraction form
271,257.39/374,369.85 = 178,202.70/x - Step 3: Cross multiply
271,257.39x = 374,369.85 × 178,202.70 - Step 4: Simplify right side
271,257.39x = 66,713,718,068.60 - Step 5: Solve for x
x = 66,713,718,068.60/271,257.39 - Step 6: Final answer
x = 245,942.49
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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.