Finding the Fourth Proportional to 343,577.58, 515,414.97 and 133,236.78
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Solution
The fourth proportional to 343,577.58, 515,414.97 and 133,236.78 is: 199,874.02
Step by Step Solution
- Step 1: Write the proportion equation
343,577.58 : 515,414.97 = 133,236.78 : x - Step 2: Convert to fraction form
343,577.58/515,414.97 = 133,236.78/x - Step 3: Cross multiply
343,577.58x = 515,414.97 × 133,236.78 - Step 4: Simplify right side
343,577.58x = 68,672,230,966.60 - Step 5: Solve for x
x = 68,672,230,966.60/343,577.58 - Step 6: Final answer
x = 199,874.02
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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.