Finding the Fourth Proportional to 205,368.96, 283,413.12 and 115,944.96
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Solution
The fourth proportional to 205,368.96, 283,413.12 and 115,944.96 is: 160,006.28
Step by Step Solution
- Step 1: Write the proportion equation
205,368.96 : 283,413.12 = 115,944.96 : x - Step 2: Convert to fraction form
205,368.96/283,413.12 = 115,944.96/x - Step 3: Cross multiply
205,368.96x = 283,413.12 × 115,944.96 - Step 4: Simplify right side
205,368.96x = 32,860,322,861.88 - Step 5: Solve for x
x = 32,860,322,861.88/205,368.96 - Step 6: Final answer
x = 160,006.28
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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.