Finding the Fourth Proportional to 239,887.12, 331,042.60 and 132,463.92
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Solution
The fourth proportional to 239,887.12, 331,042.60 and 132,463.92 is: 182,799.31
Step by Step Solution
- Step 1: Write the proportion equation
239,887.12 : 331,042.60 = 132,463.92 : x - Step 2: Convert to fraction form
239,887.12/331,042.60 = 132,463.92/x - Step 3: Cross multiply
239,887.12x = 331,042.60 × 132,463.92 - Step 4: Simplify right side
239,887.12x = 43,851,200,482.99 - Step 5: Solve for x
x = 43,851,200,482.99/239,887.12 - Step 6: Final answer
x = 182,799.31
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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.