Finding the Fourth Proportional to 395,390.90, 545,639.73 and 214,104.26
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Solution
The fourth proportional to 395,390.90, 545,639.73 and 214,104.26 is: 295,464.03
Step by Step Solution
- Step 1: Write the proportion equation
395,390.90 : 545,639.73 = 214,104.26 : x - Step 2: Convert to fraction form
395,390.90/545,639.73 = 214,104.26/x - Step 3: Cross multiply
395,390.90x = 545,639.73 × 214,104.26 - Step 4: Simplify right side
395,390.90x = 116,823,790,618.25 - Step 5: Solve for x
x = 116,823,790,618.25/395,390.90 - Step 6: Final answer
x = 295,464.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.