Finding the Fourth Proportional to 161,709.48, 242,601.14 and 49,405.68
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Solution
The fourth proportional to 161,709.48, 242,601.14 and 49,405.68 is: 74,119.80
Step by Step Solution
- Step 1: Write the proportion equation
161,709.48 : 242,601.14 = 49,405.68 : x - Step 2: Convert to fraction form
161,709.48/242,601.14 = 49,405.68/x - Step 3: Cross multiply
161,709.48x = 242,601.14 × 49,405.68 - Step 4: Simplify right side
161,709.48x = 11,985,874,413.99 - Step 5: Solve for x
x = 11,985,874,413.99/161,709.48 - Step 6: Final answer
x = 74,119.80
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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.