Finding the Fourth Proportional to 263,449.26, 363,560.94 and 142,592.13
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Solution
The fourth proportional to 263,449.26, 363,560.94 and 142,592.13 is: 196,777.66
Step by Step Solution
- Step 1: Write the proportion equation
263,449.26 : 363,560.94 = 142,592.13 : x - Step 2: Convert to fraction form
263,449.26/363,560.94 = 142,592.13/x - Step 3: Cross multiply
263,449.26x = 363,560.94 × 142,592.13 - Step 4: Simplify right side
263,449.26x = 51,840,928,819.40 - Step 5: Solve for x
x = 51,840,928,819.40/263,449.26 - Step 6: Final answer
x = 196,777.66
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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.