Finding the Fourth Proportional to 480,640.83, 663,282.64 and 271,072.09
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Solution
The fourth proportional to 480,640.83, 663,282.64 and 271,072.09 is: 374,078.52
Step by Step Solution
- Step 1: Write the proportion equation
480,640.83 : 663,282.64 = 271,072.09 : x - Step 2: Convert to fraction form
480,640.83/663,282.64 = 271,072.09/x - Step 3: Cross multiply
480,640.83x = 663,282.64 × 271,072.09 - Step 4: Simplify right side
480,640.83x = 179,797,411,485.52 - Step 5: Solve for x
x = 179,797,411,485.52/480,640.83 - Step 6: Final answer
x = 374,078.52
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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.