Finding the Fourth Proportional to 225,682.80, 311,475.42 and 130,170.84
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Solution
The fourth proportional to 225,682.80, 311,475.42 and 130,170.84 is: 179,654.88
Step by Step Solution
- Step 1: Write the proportion equation
225,682.80 : 311,475.42 = 130,170.84 : x - Step 2: Convert to fraction form
225,682.80/311,475.42 = 130,170.84/x - Step 3: Cross multiply
225,682.80x = 311,475.42 × 130,170.84 - Step 4: Simplify right side
225,682.80x = 40,545,017,060.75 - Step 5: Solve for x
x = 40,545,017,060.75/225,682.80 - Step 6: Final answer
x = 179,654.88
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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.