Finding the Fourth Proportional to 631,190.88, 946,805.76 and 276,022.08
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Solution
The fourth proportional to 631,190.88, 946,805.76 and 276,022.08 is: 414,041.62
Step by Step Solution
- Step 1: Write the proportion equation
631,190.88 : 946,805.76 = 276,022.08 : x - Step 2: Convert to fraction form
631,190.88/946,805.76 = 276,022.08/x - Step 3: Cross multiply
631,190.88x = 946,805.76 × 276,022.08 - Step 4: Simplify right side
631,190.88x = 261,339,295,231.18 - Step 5: Solve for x
x = 261,339,295,231.18/631,190.88 - Step 6: Final answer
x = 414,041.62
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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.