Finding the Fourth Proportional to 186,658.40, 279,945.84 and 53,537.96
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Solution
The fourth proportional to 186,658.40, 279,945.84 and 53,537.96 is: 80,294.96
Step by Step Solution
- Step 1: Write the proportion equation
186,658.40 : 279,945.84 = 53,537.96 : x - Step 2: Convert to fraction form
186,658.40/279,945.84 = 53,537.96/x - Step 3: Cross multiply
186,658.40x = 279,945.84 × 53,537.96 - Step 4: Simplify right side
186,658.40x = 14,987,729,184.09 - Step 5: Solve for x
x = 14,987,729,184.09/186,658.40 - Step 6: Final answer
x = 80,294.96
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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.