Finding the Fourth Proportional to 124,341.12, 186,524.88 and 45,472.44
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Solution
The fourth proportional to 124,341.12, 186,524.88 and 45,472.44 is: 68,213.49
Step by Step Solution
- Step 1: Write the proportion equation
124,341.12 : 186,524.88 = 45,472.44 : x - Step 2: Convert to fraction form
124,341.12/186,524.88 = 45,472.44/x - Step 3: Cross multiply
124,341.12x = 186,524.88 × 45,472.44 - Step 4: Simplify right side
124,341.12x = 8,481,741,414.31 - Step 5: Solve for x
x = 8,481,741,414.31/124,341.12 - Step 6: Final answer
x = 68,213.49
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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.