Finding the Fourth Proportional to 186,265.26, 279,408.21 and 53,135.28
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Solution
The fourth proportional to 186,265.26, 279,408.21 and 53,135.28 is: 79,705.86
Step by Step Solution
- Step 1: Write the proportion equation
186,265.26 : 279,408.21 = 53,135.28 : x - Step 2: Convert to fraction form
186,265.26/279,408.21 = 53,135.28/x - Step 3: Cross multiply
186,265.26x = 279,408.21 × 53,135.28 - Step 4: Simplify right side
186,265.26x = 14,846,433,472.65 - Step 5: Solve for x
x = 14,846,433,472.65/186,265.26 - Step 6: Final answer
x = 79,705.86
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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.