Finding the Fourth Proportional to 379,232.96, 523,442.40 and 235,911.68
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Solution
The fourth proportional to 379,232.96, 523,442.40 and 235,911.68 is: 325,620.90
Step by Step Solution
- Step 1: Write the proportion equation
379,232.96 : 523,442.40 = 235,911.68 : x - Step 2: Convert to fraction form
379,232.96/523,442.40 = 235,911.68/x - Step 3: Cross multiply
379,232.96x = 523,442.40 × 235,911.68 - Step 4: Simplify right side
379,232.96x = 123,486,175,967.23 - Step 5: Solve for x
x = 123,486,175,967.23/379,232.96 - Step 6: Final answer
x = 325,620.90
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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.