Finding the Fourth Proportional to 290,937.29, 436,413.24 and 80,577.05
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Solution
The fourth proportional to 290,937.29, 436,413.24 and 80,577.05 is: 120,867.59
Step by Step Solution
- Step 1: Write the proportion equation
290,937.29 : 436,413.24 = 80,577.05 : x - Step 2: Convert to fraction form
290,937.29/436,413.24 = 80,577.05/x - Step 3: Cross multiply
290,937.29x = 436,413.24 × 80,577.05 - Step 4: Simplify right side
290,937.29x = 35,164,889,278.08 - Step 5: Solve for x
x = 35,164,889,278.08/290,937.29 - Step 6: Final answer
x = 120,867.59
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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.