Finding the Fourth Proportional to 270,917.18, 406,413.87 and 113,109.74
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Solution
The fourth proportional to 270,917.18, 406,413.87 and 113,109.74 is: 169,680.52
Step by Step Solution
- Step 1: Write the proportion equation
270,917.18 : 406,413.87 = 113,109.74 : x - Step 2: Convert to fraction form
270,917.18/406,413.87 = 113,109.74/x - Step 3: Cross multiply
270,917.18x = 406,413.87 × 113,109.74 - Step 4: Simplify right side
270,917.18x = 45,969,367,168.09 - Step 5: Solve for x
x = 45,969,367,168.09/270,917.18 - Step 6: Final answer
x = 169,680.52
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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.