Finding the Fourth Proportional to 167,453.20, 251,129.70 and 55,112.68
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Solution
The fourth proportional to 167,453.20, 251,129.70 and 55,112.68 is: 82,652.53
Step by Step Solution
- Step 1: Write the proportion equation
167,453.20 : 251,129.70 = 55,112.68 : x - Step 2: Convert to fraction form
167,453.20/251,129.70 = 55,112.68/x - Step 3: Cross multiply
167,453.20x = 251,129.70 × 55,112.68 - Step 4: Simplify right side
167,453.20x = 13,840,430,794.60 - Step 5: Solve for x
x = 13,840,430,794.60/167,453.20 - Step 6: Final answer
x = 82,652.53
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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.