Finding the Fourth Proportional to 468,896.18, 703,869.15 and 311,432.18
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Solution
The fourth proportional to 468,896.18, 703,869.15 and 311,432.18 is: 467,496.89
Step by Step Solution
- Step 1: Write the proportion equation
468,896.18 : 703,869.15 = 311,432.18 : x - Step 2: Convert to fraction form
468,896.18/703,869.15 = 311,432.18/x - Step 3: Cross multiply
468,896.18x = 703,869.15 × 311,432.18 - Step 4: Simplify right side
468,896.18x = 219,207,503,819.25 - Step 5: Solve for x
x = 219,207,503,819.25/468,896.18 - Step 6: Final answer
x = 467,496.89
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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.