Finding the Fourth Proportional to 202,229.75, 279,077.06 and 112,805.75
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Solution
The fourth proportional to 202,229.75, 279,077.06 and 112,805.75 is: 155,671.94
Step by Step Solution
- Step 1: Write the proportion equation
202,229.75 : 279,077.06 = 112,805.75 : x - Step 2: Convert to fraction form
202,229.75/279,077.06 = 112,805.75/x - Step 3: Cross multiply
202,229.75x = 279,077.06 × 112,805.75 - Step 4: Simplify right side
202,229.75x = 31,481,496,497.07 - Step 5: Solve for x
x = 31,481,496,497.07/202,229.75 - Step 6: Final answer
x = 155,671.94
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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.