Finding the Fourth Proportional to 136,810.10, 205,215.15 and 48,163.70
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Solution
The fourth proportional to 136,810.10, 205,215.15 and 48,163.70 is: 72,245.55
Step by Step Solution
- Step 1: Write the proportion equation
136,810.10 : 205,215.15 = 48,163.70 : x - Step 2: Convert to fraction form
136,810.10/205,215.15 = 48,163.70/x - Step 3: Cross multiply
136,810.10x = 205,215.15 × 48,163.70 - Step 4: Simplify right side
136,810.10x = 9,883,920,920.06 - Step 5: Solve for x
x = 9,883,920,920.06/136,810.10 - Step 6: Final answer
x = 72,245.55
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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.