Finding the Fourth Proportional to 125,220.62, 187,826.07 and 50,318.30
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Solution
The fourth proportional to 125,220.62, 187,826.07 and 50,318.30 is: 75,475.50
Step by Step Solution
- Step 1: Write the proportion equation
125,220.62 : 187,826.07 = 50,318.30 : x - Step 2: Convert to fraction form
125,220.62/187,826.07 = 50,318.30/x - Step 3: Cross multiply
125,220.62x = 187,826.07 × 50,318.30 - Step 4: Simplify right side
125,220.62x = 9,451,088,538.08 - Step 5: Solve for x
x = 9,451,088,538.08/125,220.62 - Step 6: Final answer
x = 75,475.50
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1.5x scale
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.