Finding the Fourth Proportional to 144,163.87, 216,223.63 and 48,102.80
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Solution
The fourth proportional to 144,163.87, 216,223.63 and 48,102.80 is: 72,146.79
Step by Step Solution
- Step 1: Write the proportion equation
144,163.87 : 216,223.63 = 48,102.80 : x - Step 2: Convert to fraction form
144,163.87/216,223.63 = 48,102.80/x - Step 3: Cross multiply
144,163.87x = 216,223.63 × 48,102.80 - Step 4: Simplify right side
144,163.87x = 10,400,960,827.79 - Step 5: Solve for x
x = 10,400,960,827.79/144,163.87 - Step 6: Final answer
x = 72,146.79
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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.