Finding the Fourth Proportional to 212,486.08, 318,729.60 and 94,125.44
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Solution
The fourth proportional to 212,486.08, 318,729.60 and 94,125.44 is: 141,188.37
Step by Step Solution
- Step 1: Write the proportion equation
212,486.08 : 318,729.60 = 94,125.44 : x - Step 2: Convert to fraction form
212,486.08/318,729.60 = 94,125.44/x - Step 3: Cross multiply
212,486.08x = 318,729.60 × 94,125.44 - Step 4: Simplify right side
212,486.08x = 30,000,563,841.02 - Step 5: Solve for x
x = 30,000,563,841.02/212,486.08 - Step 6: Final answer
x = 141,188.37
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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.