Finding the Fourth Proportional to 299,927.36, 449,890.97 and 120,093.72
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Solution
The fourth proportional to 299,927.36, 449,890.97 and 120,093.72 is: 180,140.55
Step by Step Solution
- Step 1: Write the proportion equation
299,927.36 : 449,890.97 = 120,093.72 : x - Step 2: Convert to fraction form
299,927.36/449,890.97 = 120,093.72/x - Step 3: Cross multiply
299,927.36x = 449,890.97 × 120,093.72 - Step 4: Simplify right side
299,927.36x = 54,029,079,581.24 - Step 5: Solve for x
x = 54,029,079,581.24/299,927.36 - Step 6: Final answer
x = 180,140.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.