Finding the Fourth Proportional to 615,941.87, 923,912.82 and 231,762.99
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Solution
The fourth proportional to 615,941.87, 923,912.82 and 231,762.99 is: 347,644.49
Step by Step Solution
- Step 1: Write the proportion equation
615,941.87 : 923,912.82 = 231,762.99 : x - Step 2: Convert to fraction form
615,941.87/923,912.82 = 231,762.99/x - Step 3: Cross multiply
615,941.87x = 923,912.82 × 231,762.99 - Step 4: Simplify right side
615,941.87x = 214,128,797,662.53 - Step 5: Solve for x
x = 214,128,797,662.53/615,941.87 - Step 6: Final answer
x = 347,644.49
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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.