Finding the Fourth Proportional to 305,560.36, 457,676.22 and 186,872.68
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Solution
The fourth proportional to 305,560.36, 457,676.22 and 186,872.68 is: 279,902.74
Step by Step Solution
- Step 1: Write the proportion equation
305,560.36 : 457,676.22 = 186,872.68 : x - Step 2: Convert to fraction form
305,560.36/457,676.22 = 186,872.68/x - Step 3: Cross multiply
305,560.36x = 457,676.22 × 186,872.68 - Step 4: Simplify right side
305,560.36x = 85,527,181,803.67 - Step 5: Solve for x
x = 85,527,181,803.67/305,560.36 - Step 6: Final answer
x = 279,902.74
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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.