Finding the Fourth Proportional to 256,174.11, 353,521.26 and 141,450.84
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Solution
The fourth proportional to 256,174.11, 353,521.26 and 141,450.84 is: 195,202.70
Step by Step Solution
- Step 1: Write the proportion equation
256,174.11 : 353,521.26 = 141,450.84 : x - Step 2: Convert to fraction form
256,174.11/353,521.26 = 141,450.84/x - Step 3: Cross multiply
256,174.11x = 353,521.26 × 141,450.84 - Step 4: Simplify right side
256,174.11x = 50,005,879,184.86 - Step 5: Solve for x
x = 50,005,879,184.86/256,174.11 - Step 6: Final answer
x = 195,202.70
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1.5x scale
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.