Finding the Fourth Proportional to 203,918.45, 305,877.68 and 133,059.65
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Solution
The fourth proportional to 203,918.45, 305,877.68 and 133,059.65 is: 199,589.48
Step by Step Solution
- Step 1: Write the proportion equation
203,918.45 : 305,877.68 = 133,059.65 : x - Step 2: Convert to fraction form
203,918.45/305,877.68 = 133,059.65/x - Step 3: Cross multiply
203,918.45x = 305,877.68 × 133,059.65 - Step 4: Simplify right side
203,918.45x = 40,699,977,043.61 - Step 5: Solve for x
x = 40,699,977,043.61/203,918.45 - Step 6: Final answer
x = 199,589.48
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1.5x scale
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.