Finding the Fourth Proportional to 212,623.09, 318,890.82 and 94,218.91
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Solution
The fourth proportional to 212,623.09, 318,890.82 and 94,218.91 is: 141,308.95
Step by Step Solution
- Step 1: Write the proportion equation
212,623.09 : 318,890.82 = 94,218.91 : x - Step 2: Convert to fraction form
212,623.09/318,890.82 = 94,218.91/x - Step 3: Cross multiply
212,623.09x = 318,890.82 × 94,218.91 - Step 4: Simplify right side
212,623.09x = 30,045,545,469.41 - Step 5: Solve for x
x = 30,045,545,469.41/212,623.09 - Step 6: Final answer
x = 141,308.95
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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.