Finding the Fourth Proportional to 449,690.73, 620,580.86 and 268,367.47
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Solution
The fourth proportional to 449,690.73, 620,580.86 and 268,367.47 is: 370,351.68
Step by Step Solution
- Step 1: Write the proportion equation
449,690.73 : 620,580.86 = 268,367.47 : x - Step 2: Convert to fraction form
449,690.73/620,580.86 = 268,367.47/x - Step 3: Cross multiply
449,690.73x = 620,580.86 × 268,367.47 - Step 4: Simplify right side
449,690.73x = 166,543,715,328.62 - Step 5: Solve for x
x = 166,543,715,328.62/449,690.73 - Step 6: Final answer
x = 370,351.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.