Finding the Fourth Proportional to 395,121.99, 545,269.73 and 213,833.87
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Solution
The fourth proportional to 395,121.99, 545,269.73 and 213,833.87 is: 295,091.48
Step by Step Solution
- Step 1: Write the proportion equation
395,121.99 : 545,269.73 = 213,833.87 : x - Step 2: Convert to fraction form
395,121.99/545,269.73 = 213,833.87/x - Step 3: Cross multiply
395,121.99x = 545,269.73 × 213,833.87 - Step 4: Simplify right side
395,121.99x = 116,597,132,764.24 - Step 5: Solve for x
x = 116,597,132,764.24/395,121.99 - Step 6: Final answer
x = 295,091.48
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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.