Finding the Fourth Proportional to 321,022.68, 481,536.44 and 84,364.96
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Solution
The fourth proportional to 321,022.68, 481,536.44 and 84,364.96 is: 126,548.08
Step by Step Solution
- Step 1: Write the proportion equation
321,022.68 : 481,536.44 = 84,364.96 : x - Step 2: Convert to fraction form
321,022.68/481,536.44 = 84,364.96/x - Step 3: Cross multiply
321,022.68x = 481,536.44 × 84,364.96 - Step 4: Simplify right side
321,022.68x = 40,624,802,499.14 - Step 5: Solve for x
x = 40,624,802,499.14/321,022.68 - Step 6: Final answer
x = 126,548.08
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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.