Finding the Fourth Proportional to 764,295.49, 1,146,445.97 and 231,821.13
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Solution
The fourth proportional to 764,295.49, 1,146,445.97 and 231,821.13 is: 347,732.52
Step by Step Solution
- Step 1: Write the proportion equation
764,295.49 : 1,146,445.97 = 231,821.13 : x - Step 2: Convert to fraction form
764,295.49/1,146,445.97 = 231,821.13/x - Step 3: Cross multiply
764,295.49x = 1,146,445.97 × 231,821.13 - Step 4: Simplify right side
764,295.49x = 265,770,399,090.24 - Step 5: Solve for x
x = 265,770,399,090.24/764,295.49 - Step 6: Final answer
x = 347,732.52
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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.