Finding the Fourth Proportional to 263,212.79, 363,233.64 and 142,354.07
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Solution
The fourth proportional to 263,212.79, 363,233.64 and 142,354.07 is: 196,448.62
Step by Step Solution
- Step 1: Write the proportion equation
263,212.79 : 363,233.64 = 142,354.07 : x - Step 2: Convert to fraction form
263,212.79/363,233.64 = 142,354.07/x - Step 3: Cross multiply
263,212.79x = 363,233.64 × 142,354.07 - Step 4: Simplify right side
263,212.79x = 51,707,788,456.83 - Step 5: Solve for x
x = 51,707,788,456.83/263,212.79 - Step 6: Final answer
x = 196,448.62
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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.