Finding the Fourth Proportional to 356,664.49, 492,232.21 and 203,725.55
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Solution
The fourth proportional to 356,664.49, 492,232.21 and 203,725.55 is: 281,161.38
Step by Step Solution
- Step 1: Write the proportion equation
356,664.49 : 492,232.21 = 203,725.55 : x - Step 2: Convert to fraction form
356,664.49/492,232.21 = 203,725.55/x - Step 3: Cross multiply
356,664.49x = 492,232.21 × 203,725.55 - Step 4: Simplify right side
356,664.49x = 100,280,278,431.23 - Step 5: Solve for x
x = 100,280,278,431.23/356,664.49 - Step 6: Final answer
x = 281,161.38
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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.