Finding the Fourth Proportional to 268,023, 369,869.18 and 147,163.23
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Solution
The fourth proportional to 268,023, 369,869.18 and 147,163.23 is: 203,083.85
Step by Step Solution
- Step 1: Write the proportion equation
268,023 : 369,869.18 = 147,163.23 : x - Step 2: Convert to fraction form
268,023/369,869.18 = 147,163.23/x - Step 3: Cross multiply
268,023x = 369,869.18 × 147,163.23 - Step 4: Simplify right side
268,023x = 54,431,143,206.25 - Step 5: Solve for x
x = 54,431,143,206.25/268,023 - Step 6: Final answer
x = 203,083.85
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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.