Finding the Fourth Proportional to 311,676.40, 468,179.12 and 293,454.00
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Solution
The fourth proportional to 311,676.40, 468,179.12 and 293,454.00 is: 440,806.66
Step by Step Solution
- Step 1: Write the proportion equation
311,676.40 : 468,179.12 = 293,454.00 : x - Step 2: Convert to fraction form
311,676.40/468,179.12 = 293,454.00/x - Step 3: Cross multiply
311,676.40x = 468,179.12 × 293,454.00 - Step 4: Simplify right side
311,676.40x = 137,389,033,908.22 - Step 5: Solve for x
x = 137,389,033,908.22/311,676.40 - Step 6: Final answer
x = 440,806.66
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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.