Finding the Fourth Proportional to 203,755.70, 305,050.35 and 180,427.70
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Solution
The fourth proportional to 203,755.70, 305,050.35 and 180,427.70 is: 270,125.12
Step by Step Solution
- Step 1: Write the proportion equation
203,755.70 : 305,050.35 = 180,427.70 : x - Step 2: Convert to fraction form
203,755.70/305,050.35 = 180,427.70/x - Step 3: Cross multiply
203,755.70x = 305,050.35 × 180,427.70 - Step 4: Simplify right side
203,755.70x = 55,039,533,034.70 - Step 5: Solve for x
x = 55,039,533,034.70/203,755.70 - Step 6: Final answer
x = 270,125.12
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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.