Finding the Fourth Proportional to 134,413.26, 201,605.49 and 40,919.82
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Solution
The fourth proportional to 134,413.26, 201,605.49 and 40,919.82 is: 61,375.35
Step by Step Solution
- Step 1: Write the proportion equation
134,413.26 : 201,605.49 = 40,919.82 : x - Step 2: Convert to fraction form
134,413.26/201,605.49 = 40,919.82/x - Step 3: Cross multiply
134,413.26x = 201,605.49 × 40,919.82 - Step 4: Simplify right side
134,413.26x = 8,249,660,361.81 - Step 5: Solve for x
x = 8,249,660,361.81/134,413.26 - Step 6: Final answer
x = 61,375.35
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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.