Finding the Fourth Proportional to 144,171.26, 216,186.17 and 84,214.79
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Solution
The fourth proportional to 144,171.26, 216,186.17 and 84,214.79 is: 126,280.87
Step by Step Solution
- Step 1: Write the proportion equation
144,171.26 : 216,186.17 = 84,214.79 : x - Step 2: Convert to fraction form
144,171.26/216,186.17 = 84,214.79/x - Step 3: Cross multiply
144,171.26x = 216,186.17 × 84,214.79 - Step 4: Simplify right side
144,171.26x = 18,206,072,216.15 - Step 5: Solve for x
x = 18,206,072,216.15/144,171.26 - Step 6: Final answer
x = 126,280.87
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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.