Finding the Fourth Proportional to 202,360.75, 279,257.84 and 112,936.75
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Solution
The fourth proportional to 202,360.75, 279,257.84 and 112,936.75 is: 155,852.72
Step by Step Solution
- Step 1: Write the proportion equation
202,360.75 : 279,257.84 = 112,936.75 : x - Step 2: Convert to fraction form
202,360.75/279,257.84 = 112,936.75/x - Step 3: Cross multiply
202,360.75x = 279,257.84 × 112,936.75 - Step 4: Simplify right side
202,360.75x = 31,538,472,861.62 - Step 5: Solve for x
x = 31,538,472,861.62/202,360.75 - Step 6: Final answer
x = 155,852.72
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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.