Finding the Fourth Proportional to 252,103.08, 378,213.36 and 83,611.08
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Solution
The fourth proportional to 252,103.08, 378,213.36 and 83,611.08 is: 125,436.10
Step by Step Solution
- Step 1: Write the proportion equation
252,103.08 : 378,213.36 = 83,611.08 : x - Step 2: Convert to fraction form
252,103.08/378,213.36 = 83,611.08/x - Step 3: Cross multiply
252,103.08x = 378,213.36 × 83,611.08 - Step 4: Simplify right side
252,103.08x = 31,622,827,500.03 - Step 5: Solve for x
x = 31,622,827,500.03/252,103.08 - Step 6: Final answer
x = 125,436.10
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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.