Finding the Fourth Proportional to 203,961.72, 305,597.36 and 124,910.84
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Solution
The fourth proportional to 203,961.72, 305,597.36 and 124,910.84 is: 187,154.84
Step by Step Solution
- Step 1: Write the proportion equation
203,961.72 : 305,597.36 = 124,910.84 : x - Step 2: Convert to fraction form
203,961.72/305,597.36 = 124,910.84/x - Step 3: Cross multiply
203,961.72x = 305,597.36 × 124,910.84 - Step 4: Simplify right side
203,961.72x = 38,172,422,939.38 - Step 5: Solve for x
x = 38,172,422,939.38/203,961.72 - Step 6: Final answer
x = 187,154.84
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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.