Finding the Fourth Proportional to 252,520.41, 378,292.17 and 211,506.99
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Solution
The fourth proportional to 252,520.41, 378,292.17 and 211,506.99 is: 316,851.37
Step by Step Solution
- Step 1: Write the proportion equation
252,520.41 : 378,292.17 = 211,506.99 : x - Step 2: Convert to fraction form
252,520.41/378,292.17 = 211,506.99/x - Step 3: Cross multiply
252,520.41x = 378,292.17 × 211,506.99 - Step 4: Simplify right side
252,520.41x = 80,011,438,217.27 - Step 5: Solve for x
x = 80,011,438,217.27/252,520.41 - Step 6: Final answer
x = 316,851.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.