Finding the Fourth Proportional to 127,353.96, 191,107.50 and 47,450.70
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Solution
The fourth proportional to 127,353.96, 191,107.50 and 47,450.70 is: 71,204.58
Step by Step Solution
- Step 1: Write the proportion equation
127,353.96 : 191,107.50 = 47,450.70 : x - Step 2: Convert to fraction form
127,353.96/191,107.50 = 47,450.70/x - Step 3: Cross multiply
127,353.96x = 191,107.50 × 47,450.70 - Step 4: Simplify right side
127,353.96x = 9,068,184,650.25 - Step 5: Solve for x
x = 9,068,184,650.25/127,353.96 - Step 6: Final answer
x = 71,204.58
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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.