Finding the Fourth Proportional to 115,583.66, 173,326.26 and 45,413.75
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Solution
The fourth proportional to 115,583.66, 173,326.26 and 45,413.75 is: 68,101.28
Step by Step Solution
- Step 1: Write the proportion equation
115,583.66 : 173,326.26 = 45,413.75 : x - Step 2: Convert to fraction form
115,583.66/173,326.26 = 45,413.75/x - Step 3: Cross multiply
115,583.66x = 173,326.26 × 45,413.75 - Step 4: Simplify right side
115,583.66x = 7,871,395,440.08 - Step 5: Solve for x
x = 7,871,395,440.08/115,583.66 - Step 6: Final answer
x = 68,101.28
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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.