Finding the Fourth Proportional to 472,348.97, 708,450.40 and 172,759.49
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Solution
The fourth proportional to 472,348.97, 708,450.40 and 172,759.49 is: 259,112.52
Step by Step Solution
- Step 1: Write the proportion equation
472,348.97 : 708,450.40 = 172,759.49 : x - Step 2: Convert to fraction form
472,348.97/708,450.40 = 172,759.49/x - Step 3: Cross multiply
472,348.97x = 708,450.40 × 172,759.49 - Step 4: Simplify right side
472,348.97x = 122,391,529,794.30 - Step 5: Solve for x
x = 122,391,529,794.30/472,348.97 - Step 6: Final answer
x = 259,112.52
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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.