Finding the Fourth Proportional to 203,732.12, 305,660.75 and 97,251.95
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Solution
The fourth proportional to 203,732.12, 305,660.75 and 97,251.95 is: 145,907.79
Step by Step Solution
- Step 1: Write the proportion equation
203,732.12 : 305,660.75 = 97,251.95 : x - Step 2: Convert to fraction form
203,732.12/305,660.75 = 97,251.95/x - Step 3: Cross multiply
203,732.12x = 305,660.75 × 97,251.95 - Step 4: Simplify right side
203,732.12x = 29,726,103,975.96 - Step 5: Solve for x
x = 29,726,103,975.96/203,732.12 - Step 6: Final answer
x = 145,907.79
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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.