Finding the Fourth Proportional to 764,278.48, 1,146,420.48 and 231,804.12
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Solution
The fourth proportional to 764,278.48, 1,146,420.48 and 231,804.12 is: 347,707.02
Step by Step Solution
- Step 1: Write the proportion equation
764,278.48 : 1,146,420.48 = 231,804.12 : x - Step 2: Convert to fraction form
764,278.48/1,146,420.48 = 231,804.12/x - Step 3: Cross multiply
764,278.48x = 1,146,420.48 × 231,804.12 - Step 4: Simplify right side
764,278.48x = 265,744,990,516.38 - Step 5: Solve for x
x = 265,744,990,516.38/764,278.48 - Step 6: Final answer
x = 347,707.02
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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.