Finding the Fourth Proportional to 256,596.34, 354,087.80 and 141,865.99
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Solution
The fourth proportional to 256,596.34, 354,087.80 and 141,865.99 is: 195,766.69
Step by Step Solution
- Step 1: Write the proportion equation
256,596.34 : 354,087.80 = 141,865.99 : x - Step 2: Convert to fraction form
256,596.34/354,087.80 = 141,865.99/x - Step 3: Cross multiply
256,596.34x = 354,087.80 × 141,865.99 - Step 4: Simplify right side
256,596.34x = 50,233,016,293.92 - Step 5: Solve for x
x = 50,233,016,293.92/256,596.34 - Step 6: Final answer
x = 195,766.69
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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.