Finding the Fourth Proportional to 203,624.24, 305,527.08 and 78,974.96
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Solution
The fourth proportional to 203,624.24, 305,527.08 and 78,974.96 is: 118,497.63
Step by Step Solution
- Step 1: Write the proportion equation
203,624.24 : 305,527.08 = 78,974.96 : x - Step 2: Convert to fraction form
203,624.24/305,527.08 = 78,974.96/x - Step 3: Cross multiply
203,624.24x = 305,527.08 × 78,974.96 - Step 4: Simplify right side
203,624.24x = 24,128,988,921.92 - Step 5: Solve for x
x = 24,128,988,921.92/203,624.24 - Step 6: Final answer
x = 118,497.63
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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.