Finding the Fourth Proportional to 128,675.24, 192,975.88 and 44,413.52
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Solution
The fourth proportional to 128,675.24, 192,975.88 and 44,413.52 is: 66,607.52
Step by Step Solution
- Step 1: Write the proportion equation
128,675.24 : 192,975.88 = 44,413.52 : x - Step 2: Convert to fraction form
128,675.24/192,975.88 = 44,413.52/x - Step 3: Cross multiply
128,675.24x = 192,975.88 × 44,413.52 - Step 4: Simplify right side
128,675.24x = 8,570,738,105.90 - Step 5: Solve for x
x = 8,570,738,105.90/128,675.24 - Step 6: Final answer
x = 66,607.52
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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.