Finding the Fourth Proportional to 395,487.99, 545,770.71 and 214,195.77
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Solution
The fourth proportional to 395,487.99, 545,770.71 and 214,195.77 is: 295,588.69
Step by Step Solution
- Step 1: Write the proportion equation
395,487.99 : 545,770.71 = 214,195.77 : x - Step 2: Convert to fraction form
395,487.99/545,770.71 = 214,195.77/x - Step 3: Cross multiply
395,487.99x = 545,770.71 × 214,195.77 - Step 4: Simplify right side
395,487.99x = 116,901,777,471.90 - Step 5: Solve for x
x = 116,901,777,471.90/395,487.99 - Step 6: Final answer
x = 295,588.69
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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.