Finding the Fourth Proportional to 355,450.98, 490,521.24 and 194,306.08
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Solution
The fourth proportional to 355,450.98, 490,521.24 and 194,306.08 is: 268,141.78
Step by Step Solution
- Step 1: Write the proportion equation
355,450.98 : 490,521.24 = 194,306.08 : x - Step 2: Convert to fraction form
355,450.98/490,521.24 = 194,306.08/x - Step 3: Cross multiply
355,450.98x = 490,521.24 × 194,306.08 - Step 4: Simplify right side
355,450.98x = 95,311,259,301.14 - Step 5: Solve for x
x = 95,311,259,301.14/355,450.98 - Step 6: Final answer
x = 268,141.78
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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.