Finding the Fourth Proportional to 395,636.74, 545,977.97 and 214,353.17
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Solution
The fourth proportional to 395,636.74, 545,977.97 and 214,353.17 is: 295,806.98
Step by Step Solution
- Step 1: Write the proportion equation
395,636.74 : 545,977.97 = 214,353.17 : x - Step 2: Convert to fraction form
395,636.74/545,977.97 = 214,353.17/x - Step 3: Cross multiply
395,636.74x = 545,977.97 × 214,353.17 - Step 4: Simplify right side
395,636.74x = 117,032,107,669.25 - Step 5: Solve for x
x = 117,032,107,669.25/395,636.74 - Step 6: Final answer
x = 295,806.98
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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.