Finding the Fourth Proportional to 395,110.88, 545,252.97 and 213,822.80
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Solution
The fourth proportional to 395,110.88, 545,252.97 and 213,822.80 is: 295,075.44
Step by Step Solution
- Step 1: Write the proportion equation
395,110.88 : 545,252.97 = 213,822.80 : x - Step 2: Convert to fraction form
395,110.88/545,252.97 = 213,822.80/x - Step 3: Cross multiply
395,110.88x = 545,252.97 × 213,822.80 - Step 4: Simplify right side
395,110.88x = 116,587,515,684.60 - Step 5: Solve for x
x = 116,587,515,684.60/395,110.88 - Step 6: Final answer
x = 295,075.44
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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.