Finding the Fourth Proportional to 448,172.12, 618,474.48 and 246,968.12
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Solution
The fourth proportional to 448,172.12, 618,474.48 and 246,968.12 is: 340,814.33
Step by Step Solution
- Step 1: Write the proportion equation
448,172.12 : 618,474.48 = 246,968.12 : x - Step 2: Convert to fraction form
448,172.12/618,474.48 = 246,968.12/x - Step 3: Cross multiply
448,172.12x = 618,474.48 × 246,968.12 - Step 4: Simplify right side
448,172.12x = 152,743,479,593.58 - Step 5: Solve for x
x = 152,743,479,593.58/448,172.12 - Step 6: Final answer
x = 340,814.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.