Finding the Fourth Proportional to 136,770.91, 205,246.07 and 48,022.13
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Solution
The fourth proportional to 136,770.91, 205,246.07 and 48,022.13 is: 72,064.69
Step by Step Solution
- Step 1: Write the proportion equation
136,770.91 : 205,246.07 = 48,022.13 : x - Step 2: Convert to fraction form
136,770.91/205,246.07 = 48,022.13/x - Step 3: Cross multiply
136,770.91x = 205,246.07 × 48,022.13 - Step 4: Simplify right side
136,770.91x = 9,856,353,455.53 - Step 5: Solve for x
x = 9,856,353,455.53/136,770.91 - Step 6: Final answer
x = 72,064.69
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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.