Finding the Fourth Proportional to 167,716.38, 251,523.36 and 47,783.12
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Solution
The fourth proportional to 167,716.38, 251,523.36 and 47,783.12 is: 71,660.09
Step by Step Solution
- Step 1: Write the proportion equation
167,716.38 : 251,523.36 = 47,783.12 : x - Step 2: Convert to fraction form
167,716.38/251,523.36 = 47,783.12/x - Step 3: Cross multiply
167,716.38x = 251,523.36 × 47,783.12 - Step 4: Simplify right side
167,716.38x = 12,018,570,893.68 - Step 5: Solve for x
x = 12,018,570,893.68/167,716.38 - Step 6: Final answer
x = 71,660.09
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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.