Finding the Fourth Proportional to 272,764.08, 376,413.24 and 151,906.80
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Solution
The fourth proportional to 272,764.08, 376,413.24 and 151,906.80 is: 209,630.72
Step by Step Solution
- Step 1: Write the proportion equation
272,764.08 : 376,413.24 = 151,906.80 : x - Step 2: Convert to fraction form
272,764.08/376,413.24 = 151,906.80/x - Step 3: Cross multiply
272,764.08x = 376,413.24 × 151,906.80 - Step 4: Simplify right side
272,764.08x = 57,179,730,766.03 - Step 5: Solve for x
x = 57,179,730,766.03/272,764.08 - Step 6: Final answer
x = 209,630.72
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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.