Finding the Fourth Proportional to 263,830.16, 395,741.03 and 83,912.99
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Solution
The fourth proportional to 263,830.16, 395,741.03 and 83,912.99 is: 125,868.14
Step by Step Solution
- Step 1: Write the proportion equation
263,830.16 : 395,741.03 = 83,912.99 : x - Step 2: Convert to fraction form
263,830.16/395,741.03 = 83,912.99/x - Step 3: Cross multiply
263,830.16x = 395,741.03 × 83,912.99 - Step 4: Simplify right side
263,830.16x = 33,207,810,694.71 - Step 5: Solve for x
x = 33,207,810,694.71/263,830.16 - Step 6: Final answer
x = 125,868.14
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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.