Finding the Fourth Proportional to 127,207.70, 190,906.35 and 48,475.70
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Solution
The fourth proportional to 127,207.70, 190,906.35 and 48,475.70 is: 72,749.68
Step by Step Solution
- Step 1: Write the proportion equation
127,207.70 : 190,906.35 = 48,475.70 : x - Step 2: Convert to fraction form
127,207.70/190,906.35 = 48,475.70/x - Step 3: Cross multiply
127,207.70x = 190,906.35 × 48,475.70 - Step 4: Simplify right side
127,207.70x = 9,254,318,950.70 - Step 5: Solve for x
x = 9,254,318,950.70/127,207.70 - Step 6: Final answer
x = 72,749.68
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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.