Finding the Fourth Proportional to 197,136.40, 295,704.60 and 122,729.80
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Solution
The fourth proportional to 197,136.40, 295,704.60 and 122,729.80 is: 184,094.70
Step by Step Solution
- Step 1: Write the proportion equation
197,136.40 : 295,704.60 = 122,729.80 : x - Step 2: Convert to fraction form
197,136.40/295,704.60 = 122,729.80/x - Step 3: Cross multiply
197,136.40x = 295,704.60 × 122,729.80 - Step 4: Simplify right side
197,136.40x = 36,291,766,417.08 - Step 5: Solve for x
x = 36,291,766,417.08/197,136.40 - Step 6: Final answer
x = 184,094.70
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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.