Finding the Fourth Proportional to 252,132.21, 347,941.44 and 138,954.96
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Solution
The fourth proportional to 252,132.21, 347,941.44 and 138,954.96 is: 191,757.29
Step by Step Solution
- Step 1: Write the proportion equation
252,132.21 : 347,941.44 = 138,954.96 : x - Step 2: Convert to fraction form
252,132.21/347,941.44 = 138,954.96/x - Step 3: Cross multiply
252,132.21x = 347,941.44 × 138,954.96 - Step 4: Simplify right side
252,132.21x = 48,348,188,877.54 - Step 5: Solve for x
x = 48,348,188,877.54/252,132.21 - Step 6: Final answer
x = 191,757.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.