Finding the Fourth Proportional to 263,363.42, 363,438.79 and 142,502.04
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Solution
The fourth proportional to 263,363.42, 363,438.79 and 142,502.04 is: 196,651.34
Step by Step Solution
- Step 1: Write the proportion equation
263,363.42 : 363,438.79 = 142,502.04 : x - Step 2: Convert to fraction form
263,363.42/363,438.79 = 142,502.04/x - Step 3: Cross multiply
263,363.42x = 363,438.79 × 142,502.04 - Step 4: Simplify right side
263,363.42x = 51,790,768,990.13 - Step 5: Solve for x
x = 51,790,768,990.13/263,363.42 - Step 6: Final answer
x = 196,651.34
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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.