Finding the Fourth Proportional to 311,227.84, 466,141.56 and 218,149.12
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Solution
The fourth proportional to 311,227.84, 466,141.56 and 218,149.12 is: 326,732.89
Step by Step Solution
- Step 1: Write the proportion equation
311,227.84 : 466,141.56 = 218,149.12 : x - Step 2: Convert to fraction form
311,227.84/466,141.56 = 218,149.12/x - Step 3: Cross multiply
311,227.84x = 466,141.56 × 218,149.12 - Step 4: Simplify right side
311,227.84x = 101,688,371,109.43 - Step 5: Solve for x
x = 101,688,371,109.43/311,227.84 - Step 6: Final answer
x = 326,732.89
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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.