Finding the Fourth Proportional to 149,092.43, 223,520.99 and 74,171.68
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Solution
The fourth proportional to 149,092.43, 223,520.99 and 74,171.68 is: 111,198.99
Step by Step Solution
- Step 1: Write the proportion equation
149,092.43 : 223,520.99 = 74,171.68 : x - Step 2: Convert to fraction form
149,092.43/223,520.99 = 74,171.68/x - Step 3: Cross multiply
149,092.43x = 223,520.99 × 74,171.68 - Step 4: Simplify right side
149,092.43x = 16,578,926,413.90 - Step 5: Solve for x
x = 16,578,926,413.90/149,092.43 - Step 6: Final answer
x = 111,198.99
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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.