Finding the Fourth Proportional to 263,634.68, 395,519.46 and 76,646.18
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Solution
The fourth proportional to 263,634.68, 395,519.46 and 76,646.18 is: 114,988.88
Step by Step Solution
- Step 1: Write the proportion equation
263,634.68 : 395,519.46 = 76,646.18 : x - Step 2: Convert to fraction form
263,634.68/395,519.46 = 76,646.18/x - Step 3: Cross multiply
263,634.68x = 395,519.46 × 76,646.18 - Step 4: Simplify right side
263,634.68x = 30,315,055,724.66 - Step 5: Solve for x
x = 30,315,055,724.66/263,634.68 - Step 6: Final answer
x = 114,988.88
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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.