Finding the Fourth Proportional to 194,140.18, 290,907.26 and 122,912.02
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Solution
The fourth proportional to 194,140.18, 290,907.26 and 122,912.02 is: 184,176.19
Step by Step Solution
- Step 1: Write the proportion equation
194,140.18 : 290,907.26 = 122,912.02 : x - Step 2: Convert to fraction form
194,140.18/290,907.26 = 122,912.02/x - Step 3: Cross multiply
194,140.18x = 290,907.26 × 122,912.02 - Step 4: Simplify right side
194,140.18x = 35,755,998,959.27 - Step 5: Solve for x
x = 35,755,998,959.27/194,140.18 - Step 6: Final answer
x = 184,176.19
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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.