Finding the Fourth Proportional to 406,453.93, 609,817.01 and 132,912.75
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Solution
The fourth proportional to 406,453.93, 609,817.01 and 132,912.75 is: 199,413.64
Step by Step Solution
- Step 1: Write the proportion equation
406,453.93 : 609,817.01 = 132,912.75 : x - Step 2: Convert to fraction form
406,453.93/609,817.01 = 132,912.75/x - Step 3: Cross multiply
406,453.93x = 609,817.01 × 132,912.75 - Step 4: Simplify right side
406,453.93x = 81,052,457,418.13 - Step 5: Solve for x
x = 81,052,457,418.13/406,453.93 - Step 6: Final answer
x = 199,413.64
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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.