Finding the Fourth Proportional to 263,564.84, 363,717.81 and 142,705.75
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Solution
The fourth proportional to 263,564.84, 363,717.81 and 142,705.75 is: 196,933.03
Step by Step Solution
- Step 1: Write the proportion equation
263,564.84 : 363,717.81 = 142,705.75 : x - Step 2: Convert to fraction form
263,564.84/363,717.81 = 142,705.75/x - Step 3: Cross multiply
263,564.84x = 363,717.81 × 142,705.75 - Step 4: Simplify right side
263,564.84x = 51,904,622,490.26 - Step 5: Solve for x
x = 51,904,622,490.26/263,564.84 - Step 6: Final answer
x = 196,933.03
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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.