Finding the Fourth Proportional to 236,942.06, 355,413.14 and 79,170.53
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Solution
The fourth proportional to 236,942.06, 355,413.14 and 79,170.53 is: 118,755.82
Step by Step Solution
- Step 1: Write the proportion equation
236,942.06 : 355,413.14 = 79,170.53 : x - Step 2: Convert to fraction form
236,942.06/355,413.14 = 79,170.53/x - Step 3: Cross multiply
236,942.06x = 355,413.14 × 79,170.53 - Step 4: Simplify right side
236,942.06x = 28,138,247,749.22 - Step 5: Solve for x
x = 28,138,247,749.22/236,942.06 - Step 6: Final answer
x = 118,755.82
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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.