Finding the Fourth Proportional to 263,610.36, 395,473.62 and 76,636.44
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Solution
The fourth proportional to 263,610.36, 395,473.62 and 76,636.44 is: 114,971.54
Step by Step Solution
- Step 1: Write the proportion equation
263,610.36 : 395,473.62 = 76,636.44 : x - Step 2: Convert to fraction form
263,610.36/395,473.62 = 76,636.44/x - Step 3: Cross multiply
263,610.36x = 395,473.62 × 76,636.44 - Step 4: Simplify right side
263,610.36x = 30,307,690,350.71 - Step 5: Solve for x
x = 30,307,690,350.71/263,610.36 - Step 6: Final answer
x = 114,971.54
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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.