Finding the Fourth Proportional to 226,230.46, 312,163.29 and 130,718.70
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Solution
The fourth proportional to 226,230.46, 312,163.29 and 130,718.70 is: 180,371.73
Step by Step Solution
- Step 1: Write the proportion equation
226,230.46 : 312,163.29 = 130,718.70 : x - Step 2: Convert to fraction form
226,230.46/312,163.29 = 130,718.70/x - Step 3: Cross multiply
226,230.46x = 312,163.29 × 130,718.70 - Step 4: Simplify right side
226,230.46x = 40,805,579,456.52 - Step 5: Solve for x
x = 40,805,579,456.52/226,230.46 - Step 6: Final answer
x = 180,371.73
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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.