Finding the Fourth Proportional to 354,629.40, 531,944.10 and 235,915.80
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Solution
The fourth proportional to 354,629.40, 531,944.10 and 235,915.80 is: 353,873.70
Step by Step Solution
- Step 1: Write the proportion equation
354,629.40 : 531,944.10 = 235,915.80 : x - Step 2: Convert to fraction form
354,629.40/531,944.10 = 235,915.80/x - Step 3: Cross multiply
354,629.40x = 531,944.10 × 235,915.80 - Step 4: Simplify right side
354,629.40x = 125,494,017,906.78 - Step 5: Solve for x
x = 125,494,017,906.78/354,629.40 - Step 6: Final answer
x = 353,873.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.