Finding the Fourth Proportional to 132,413.70, 198,620.55 and 122,693.70
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Solution
The fourth proportional to 132,413.70, 198,620.55 and 122,693.70 is: 184,040.55
Step by Step Solution
- Step 1: Write the proportion equation
132,413.70 : 198,620.55 = 122,693.70 : x - Step 2: Convert to fraction form
132,413.70/198,620.55 = 122,693.70/x - Step 3: Cross multiply
132,413.70x = 198,620.55 × 122,693.70 - Step 4: Simplify right side
132,413.70x = 24,369,490,175.54 - Step 5: Solve for x
x = 24,369,490,175.54/132,413.70 - Step 6: Final answer
x = 184,040.55
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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.