Finding the Fourth Proportional to 263,649.88, 395,415.60 and 121,358.80
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Solution
The fourth proportional to 263,649.88, 395,415.60 and 121,358.80 is: 182,010.94
Step by Step Solution
- Step 1: Write the proportion equation
263,649.88 : 395,415.60 = 121,358.80 : x - Step 2: Convert to fraction form
263,649.88/395,415.60 = 121,358.80/x - Step 3: Cross multiply
263,649.88x = 395,415.60 × 121,358.80 - Step 4: Simplify right side
263,649.88x = 47,987,162,717.28 - Step 5: Solve for x
x = 47,987,162,717.28/263,649.88 - Step 6: Final answer
x = 182,010.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.