Finding the Fourth Proportional to 395,353.48, 545,588.80 and 214,067.58
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Solution
The fourth proportional to 395,353.48, 545,588.80 and 214,067.58 is: 295,413.80
Step by Step Solution
- Step 1: Write the proportion equation
395,353.48 : 545,588.80 = 214,067.58 : x - Step 2: Convert to fraction form
395,353.48/545,588.80 = 214,067.58/x - Step 3: Cross multiply
395,353.48x = 545,588.80 × 214,067.58 - Step 4: Simplify right side
395,353.48x = 116,792,874,091.10 - Step 5: Solve for x
x = 116,792,874,091.10/395,353.48 - Step 6: Final answer
x = 295,413.80
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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.