Finding the Fourth Proportional to 198,413.43, 273,652.09 and 130,500.12
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Solution
The fourth proportional to 198,413.43, 273,652.09 and 130,500.12 is: 179,985.95
Step by Step Solution
- Step 1: Write the proportion equation
198,413.43 : 273,652.09 = 130,500.12 : x - Step 2: Convert to fraction form
198,413.43/273,652.09 = 130,500.12/x - Step 3: Cross multiply
198,413.43x = 273,652.09 × 130,500.12 - Step 4: Simplify right side
198,413.43x = 35,711,630,583.25 - Step 5: Solve for x
x = 35,711,630,583.25/198,413.43 - Step 6: Final answer
x = 179,985.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.