Finding the Fourth Proportional to 252,114.29, 347,917.79 and 137,392.96
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Solution
The fourth proportional to 252,114.29, 347,917.79 and 137,392.96 is: 189,602.32
Step by Step Solution
- Step 1: Write the proportion equation
252,114.29 : 347,917.79 = 137,392.96 : x - Step 2: Convert to fraction form
252,114.29/347,917.79 = 137,392.96/x - Step 3: Cross multiply
252,114.29x = 347,917.79 × 137,392.96 - Step 4: Simplify right side
252,114.29x = 47,801,455,004.76 - Step 5: Solve for x
x = 47,801,455,004.76/252,114.29 - Step 6: Final answer
x = 189,602.32
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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.