Finding the Fourth Proportional to 135,715.26, 203,574.18 and 51,452.76
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Solution
The fourth proportional to 135,715.26, 203,574.18 and 51,452.76 is: 77,179.63
Step by Step Solution
- Step 1: Write the proportion equation
135,715.26 : 203,574.18 = 51,452.76 : x - Step 2: Convert to fraction form
135,715.26/203,574.18 = 51,452.76/x - Step 3: Cross multiply
135,715.26x = 203,574.18 × 51,452.76 - Step 4: Simplify right side
135,715.26x = 10,474,453,425.74 - Step 5: Solve for x
x = 10,474,453,425.74/135,715.26 - Step 6: Final answer
x = 77,179.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.