Finding the Fourth Proportional to 256,592.21, 354,091.70 and 141,866.44
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Solution
The fourth proportional to 256,592.21, 354,091.70 and 141,866.44 is: 195,772.62
Step by Step Solution
- Step 1: Write the proportion equation
256,592.21 : 354,091.70 = 141,866.44 : x - Step 2: Convert to fraction form
256,592.21/354,091.70 = 141,866.44/x - Step 3: Cross multiply
256,592.21x = 354,091.70 × 141,866.44 - Step 4: Simplify right side
256,592.21x = 50,233,728,381.98 - Step 5: Solve for x
x = 50,233,728,381.98/256,592.21 - Step 6: Final answer
x = 195,772.62
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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.