Finding the Fourth Proportional to 920,161.68, 1,380,260.88 and 246,241.92
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Solution
The fourth proportional to 920,161.68, 1,380,260.88 and 246,241.92 is: 369,367.79
Step by Step Solution
- Step 1: Write the proportion equation
920,161.68 : 1,380,260.88 = 246,241.92 : x - Step 2: Convert to fraction form
920,161.68/1,380,260.88 = 246,241.92/x - Step 3: Cross multiply
920,161.68x = 1,380,260.88 × 246,241.92 - Step 4: Simplify right side
920,161.68x = 339,878,089,192.09 - Step 5: Solve for x
x = 339,878,089,192.09/920,161.68 - Step 6: Final answer
x = 369,367.79
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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.