Finding the Fourth Proportional to 345,841.75, 477,261.62 and 194,938.75
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Solution
The fourth proportional to 345,841.75, 477,261.62 and 194,938.75 is: 269,015.48
Step by Step Solution
- Step 1: Write the proportion equation
345,841.75 : 477,261.62 = 194,938.75 : x - Step 2: Convert to fraction form
345,841.75/477,261.62 = 194,938.75/x - Step 3: Cross multiply
345,841.75x = 477,261.62 × 194,938.75 - Step 4: Simplify right side
345,841.75x = 93,036,783,625.78 - Step 5: Solve for x
x = 93,036,783,625.78/345,841.75 - Step 6: Final answer
x = 269,015.48
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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.