Finding the Fourth Proportional to 494,353.55, 682,213.26 and 290,413.07
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Solution
The fourth proportional to 494,353.55, 682,213.26 and 290,413.07 is: 400,773.18
Step by Step Solution
- Step 1: Write the proportion equation
494,353.55 : 682,213.26 = 290,413.07 : x - Step 2: Convert to fraction form
494,353.55/682,213.26 = 290,413.07/x - Step 3: Cross multiply
494,353.55x = 682,213.26 × 290,413.07 - Step 4: Simplify right side
494,353.55x = 198,123,643,820.24 - Step 5: Solve for x
x = 198,123,643,820.24/494,353.55 - Step 6: Final answer
x = 400,773.18
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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.