Finding the Fourth Proportional to 657,629.11, 985,851.28 and 236,608.75
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Solution
The fourth proportional to 657,629.11, 985,851.28 and 236,608.75 is: 354,699.99
Step by Step Solution
- Step 1: Write the proportion equation
657,629.11 : 985,851.28 = 236,608.75 : x - Step 2: Convert to fraction form
657,629.11/985,851.28 = 236,608.75/x - Step 3: Cross multiply
657,629.11x = 985,851.28 × 236,608.75 - Step 4: Simplify right side
657,629.11x = 233,261,039,046.70 - Step 5: Solve for x
x = 233,261,039,046.70/657,629.11 - Step 6: Final answer
x = 354,699.99
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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.