Finding the Fourth Proportional to 226,276.80, 339,512.40 and 115,468.80
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Solution
The fourth proportional to 226,276.80, 339,512.40 and 115,468.80 is: 173,252.80
Step by Step Solution
- Step 1: Write the proportion equation
226,276.80 : 339,512.40 = 115,468.80 : x - Step 2: Convert to fraction form
226,276.80/339,512.40 = 115,468.80/x - Step 3: Cross multiply
226,276.80x = 339,512.40 × 115,468.80 - Step 4: Simplify right side
226,276.80x = 39,203,089,413.12 - Step 5: Solve for x
x = 39,203,089,413.12/226,276.80 - Step 6: Final answer
x = 173,252.80
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1.5x scale
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.