Finding the Fourth Proportional to 271,804.80, 407,707.20 and 252,121.80
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Solution
The fourth proportional to 271,804.80, 407,707.20 and 252,121.80 is: 378,182.70
Step by Step Solution
- Step 1: Write the proportion equation
271,804.80 : 407,707.20 = 252,121.80 : x - Step 2: Convert to fraction form
271,804.80/407,707.20 = 252,121.80/x - Step 3: Cross multiply
271,804.80x = 407,707.20 × 252,121.80 - Step 4: Simplify right side
271,804.80x = 102,791,873,136.96 - Step 5: Solve for x
x = 102,791,873,136.96/271,804.80 - Step 6: Final answer
x = 378,182.70
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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.