Finding the Fourth Proportional to 764,296.24, 1,146,447.09 and 231,821.88
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Solution
The fourth proportional to 764,296.24, 1,146,447.09 and 231,821.88 is: 347,733.65
Step by Step Solution
- Step 1: Write the proportion equation
764,296.24 : 1,146,447.09 = 231,821.88 : x - Step 2: Convert to fraction form
764,296.24/1,146,447.09 = 231,821.88/x - Step 3: Cross multiply
764,296.24x = 1,146,447.09 × 231,821.88 - Step 4: Simplify right side
764,296.24x = 265,771,519,724.33 - Step 5: Solve for x
x = 265,771,519,724.33/764,296.24 - Step 6: Final answer
x = 347,733.65
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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.