Finding the Fourth Proportional to 540,362.68, 809,879.60 and 303,207.12
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Solution
The fourth proportional to 540,362.68, 809,879.60 and 303,207.12 is: 454,437.86
Step by Step Solution
- Step 1: Write the proportion equation
540,362.68 : 809,879.60 = 303,207.12 : x - Step 2: Convert to fraction form
540,362.68/809,879.60 = 303,207.12/x - Step 3: Cross multiply
540,362.68x = 809,879.60 × 303,207.12 - Step 4: Simplify right side
540,362.68x = 245,561,261,062.75 - Step 5: Solve for x
x = 245,561,261,062.75/540,362.68 - Step 6: Final answer
x = 454,437.86
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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.