Finding the Fourth Proportional to 263,363.44, 363,438.92 and 142,502.08
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Solution
The fourth proportional to 263,363.44, 363,438.92 and 142,502.08 is: 196,651.45
Step by Step Solution
- Step 1: Write the proportion equation
263,363.44 : 363,438.92 = 142,502.08 : x - Step 2: Convert to fraction form
263,363.44/363,438.92 = 142,502.08/x - Step 3: Cross multiply
263,363.44x = 363,438.92 × 142,502.08 - Step 4: Simplify right side
263,363.44x = 51,790,802,052.95 - Step 5: Solve for x
x = 51,790,802,052.95/263,363.44 - Step 6: Final answer
x = 196,651.45
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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.