Finding the Fourth Proportional to 203,591.48, 305,264.19 and 91,250.75
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Solution
The fourth proportional to 203,591.48, 305,264.19 and 91,250.75 is: 136,820.99
Step by Step Solution
- Step 1: Write the proportion equation
203,591.48 : 305,264.19 = 91,250.75 : x - Step 2: Convert to fraction form
203,591.48/305,264.19 = 91,250.75/x - Step 3: Cross multiply
203,591.48x = 305,264.19 × 91,250.75 - Step 4: Simplify right side
203,591.48x = 27,855,587,390.99 - Step 5: Solve for x
x = 27,855,587,390.99/203,591.48 - Step 6: Final answer
x = 136,820.99
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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.