Finding the Fourth Proportional to 263,593.60, 363,759.36 and 142,735.84
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Solution
The fourth proportional to 263,593.60, 363,759.36 and 142,735.84 is: 196,975.56
Step by Step Solution
- Step 1: Write the proportion equation
263,593.60 : 363,759.36 = 142,735.84 : x - Step 2: Convert to fraction form
263,593.60/363,759.36 = 142,735.84/x - Step 3: Cross multiply
263,593.60x = 363,759.36 × 142,735.84 - Step 4: Simplify right side
263,593.60x = 51,921,497,807.46 - Step 5: Solve for x
x = 51,921,497,807.46/263,593.60 - Step 6: Final answer
x = 196,975.56
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1.5x scale
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.