Finding the Fourth Proportional to 263,567.70, 363,723.99 and 142,710.42
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Solution
The fourth proportional to 263,567.70, 363,723.99 and 142,710.42 is: 196,940.68
Step by Step Solution
- Step 1: Write the proportion equation
263,567.70 : 363,723.99 = 142,710.42 : x - Step 2: Convert to fraction form
263,567.70/363,723.99 = 142,710.42/x - Step 3: Cross multiply
263,567.70x = 363,723.99 × 142,710.42 - Step 4: Simplify right side
263,567.70x = 51,907,203,376.98 - Step 5: Solve for x
x = 51,907,203,376.98/263,567.70 - Step 6: Final answer
x = 196,940.68
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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.