Finding the Fourth Proportional to 275,521.12, 380,121.36 and 180,082.92
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Solution
The fourth proportional to 275,521.12, 380,121.36 and 180,082.92 is: 248,450.52
Step by Step Solution
- Step 1: Write the proportion equation
275,521.12 : 380,121.36 = 180,082.92 : x - Step 2: Convert to fraction form
275,521.12/380,121.36 = 180,082.92/x - Step 3: Cross multiply
275,521.12x = 380,121.36 × 180,082.92 - Step 4: Simplify right side
275,521.12x = 68,453,364,463.17 - Step 5: Solve for x
x = 68,453,364,463.17/275,521.12 - Step 6: Final answer
x = 248,450.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.