Finding the Fourth Proportional to 263,567.20, 363,723.30 and 142,709.92
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Solution
The fourth proportional to 263,567.20, 363,723.30 and 142,709.92 is: 196,939.99
Step by Step Solution
- Step 1: Write the proportion equation
263,567.20 : 363,723.30 = 142,709.92 : x - Step 2: Convert to fraction form
263,567.20/363,723.30 = 142,709.92/x - Step 3: Cross multiply
263,567.20x = 363,723.30 × 142,709.92 - Step 4: Simplify right side
263,567.20x = 51,906,923,045.14 - Step 5: Solve for x
x = 51,906,923,045.14/263,567.20 - Step 6: Final answer
x = 196,939.99
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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.