Finding the Fourth Proportional to 263,502.75, 363,633.62 and 142,644.99
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Solution
The fourth proportional to 263,502.75, 363,633.62 and 142,644.99 is: 196,849.99
Step by Step Solution
- Step 1: Write the proportion equation
263,502.75 : 363,633.62 = 142,644.99 : x - Step 2: Convert to fraction form
263,502.75/363,633.62 = 142,644.99/x - Step 3: Cross multiply
263,502.75x = 363,633.62 × 142,644.99 - Step 4: Simplify right side
263,502.75x = 51,870,513,375.34 - Step 5: Solve for x
x = 51,870,513,375.34/263,502.75 - Step 6: Final answer
x = 196,849.99
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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.