Finding the Fourth Proportional to 202,560.75, 279,533.84 and 113,136.75
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Solution
The fourth proportional to 202,560.75, 279,533.84 and 113,136.75 is: 156,128.72
Step by Step Solution
- Step 1: Write the proportion equation
202,560.75 : 279,533.84 = 113,136.75 : x - Step 2: Convert to fraction form
202,560.75/279,533.84 = 113,136.75/x - Step 3: Cross multiply
202,560.75x = 279,533.84 × 113,136.75 - Step 4: Simplify right side
202,560.75x = 31,625,550,172.62 - Step 5: Solve for x
x = 31,625,550,172.62/202,560.75 - Step 6: Final answer
x = 156,128.72
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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.