Finding the Fourth Proportional to 265,090.80, 397,636.20 and 202,105.20
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Solution
The fourth proportional to 265,090.80, 397,636.20 and 202,105.20 is: 303,157.80
Step by Step Solution
- Step 1: Write the proportion equation
265,090.80 : 397,636.20 = 202,105.20 : x - Step 2: Convert to fraction form
265,090.80/397,636.20 = 202,105.20/x - Step 3: Cross multiply
265,090.80x = 397,636.20 × 202,105.20 - Step 4: Simplify right side
265,090.80x = 80,364,343,728.24 - Step 5: Solve for x
x = 80,364,343,728.24/265,090.80 - Step 6: Final answer
x = 303,157.80
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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.