Finding the Fourth Proportional to 310,153.26, 465,241.74 and 96,940.80
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Solution
The fourth proportional to 310,153.26, 465,241.74 and 96,940.80 is: 145,414.90
Step by Step Solution
- Step 1: Write the proportion equation
310,153.26 : 465,241.74 = 96,940.80 : x - Step 2: Convert to fraction form
310,153.26/465,241.74 = 96,940.80/x - Step 3: Cross multiply
310,153.26x = 465,241.74 × 96,940.80 - Step 4: Simplify right side
310,153.26x = 45,100,906,468.99 - Step 5: Solve for x
x = 45,100,906,468.99/310,153.26 - Step 6: Final answer
x = 145,414.90
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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.