Finding the Fourth Proportional to 281,762.87, 388,872.62 and 174,367.49
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Solution
The fourth proportional to 281,762.87, 388,872.62 and 174,367.49 is: 240,651.80
Step by Step Solution
- Step 1: Write the proportion equation
281,762.87 : 388,872.62 = 174,367.49 : x - Step 2: Convert to fraction form
281,762.87/388,872.62 = 174,367.49/x - Step 3: Cross multiply
281,762.87x = 388,872.62 × 174,367.49 - Step 4: Simplify right side
281,762.87x = 67,806,739,862.92 - Step 5: Solve for x
x = 67,806,739,862.92/281,762.87 - Step 6: Final answer
x = 240,651.80
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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.