Finding the Fourth Proportional to 251,639.70, 347,259.84 and 187,396.44
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Solution
The fourth proportional to 251,639.70, 347,259.84 and 187,396.44 is: 258,604.89
Step by Step Solution
- Step 1: Write the proportion equation
251,639.70 : 347,259.84 = 187,396.44 : x - Step 2: Convert to fraction form
251,639.70/347,259.84 = 187,396.44/x - Step 3: Cross multiply
251,639.70x = 347,259.84 × 187,396.44 - Step 4: Simplify right side
251,639.70x = 65,075,257,770.97 - Step 5: Solve for x
x = 65,075,257,770.97/251,639.70 - Step 6: Final answer
x = 258,604.89
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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.