Finding the Fourth Proportional to 226,025.21, 311,957.79 and 149,545.82
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Solution
The fourth proportional to 226,025.21, 311,957.79 and 149,545.82 is: 206,401.68
Step by Step Solution
- Step 1: Write the proportion equation
226,025.21 : 311,957.79 = 149,545.82 : x - Step 2: Convert to fraction form
226,025.21/311,957.79 = 149,545.82/x - Step 3: Cross multiply
226,025.21x = 311,957.79 × 149,545.82 - Step 4: Simplify right side
226,025.21x = 46,651,983,510.94 - Step 5: Solve for x
x = 46,651,983,510.94/226,025.21 - Step 6: Final answer
x = 206,401.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.