Finding the Fourth Proportional to 263,673.28, 395,577.12 and 76,684.80
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Solution
The fourth proportional to 263,673.28, 395,577.12 and 76,684.80 is: 115,046.74
Step by Step Solution
- Step 1: Write the proportion equation
263,673.28 : 395,577.12 = 76,684.80 : x - Step 2: Convert to fraction form
263,673.28/395,577.12 = 76,684.80/x - Step 3: Cross multiply
263,673.28x = 395,577.12 × 76,684.80 - Step 4: Simplify right side
263,673.28x = 30,334,752,331.78 - Step 5: Solve for x
x = 30,334,752,331.78/263,673.28 - Step 6: Final answer
x = 115,046.74
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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.