Finding the Fourth Proportional to 347,961.88, 480,418.62 and 267,245.14
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Solution
The fourth proportional to 347,961.88, 480,418.62 and 267,245.14 is: 368,975.88
Step by Step Solution
- Step 1: Write the proportion equation
347,961.88 : 480,418.62 = 267,245.14 : x - Step 2: Convert to fraction form
347,961.88/480,418.62 = 267,245.14/x - Step 3: Cross multiply
347,961.88x = 480,418.62 × 267,245.14 - Step 4: Simplify right side
347,961.88x = 128,389,541,360.51 - Step 5: Solve for x
x = 128,389,541,360.51/347,961.88 - Step 6: Final answer
x = 368,975.88
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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.