Finding the Fourth Proportional to 203,670.60, 305,383.19 and 91,330.49
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Solution
The fourth proportional to 203,670.60, 305,383.19 and 91,330.49 is: 136,940.70
Step by Step Solution
- Step 1: Write the proportion equation
203,670.60 : 305,383.19 = 91,330.49 : x - Step 2: Convert to fraction form
203,670.60/305,383.19 = 91,330.49/x - Step 3: Cross multiply
203,670.60x = 305,383.19 × 91,330.49 - Step 4: Simplify right side
203,670.60x = 27,890,794,396.89 - Step 5: Solve for x
x = 27,890,794,396.89/203,670.60 - Step 6: Final answer
x = 136,940.70
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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.