Finding the Fourth Proportional to 203,475.34, 280,782.26 and 112,827.97
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Solution
The fourth proportional to 203,475.34, 280,782.26 and 112,827.97 is: 155,694.99
Step by Step Solution
- Step 1: Write the proportion equation
203,475.34 : 280,782.26 = 112,827.97 : x - Step 2: Convert to fraction form
203,475.34/280,782.26 = 112,827.97/x - Step 3: Cross multiply
203,475.34x = 280,782.26 × 112,827.97 - Step 4: Simplify right side
203,475.34x = 31,680,091,003.90 - Step 5: Solve for x
x = 31,680,091,003.90/203,475.34 - Step 6: Final answer
x = 155,694.99
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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.