Finding the Fourth Proportional to 311,802.68, 430,000.66 and 204,333.68
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Solution
The fourth proportional to 311,802.68, 430,000.66 and 204,333.68 is: 281,792.37
Step by Step Solution
- Step 1: Write the proportion equation
311,802.68 : 430,000.66 = 204,333.68 : x - Step 2: Convert to fraction form
311,802.68/430,000.66 = 204,333.68/x - Step 3: Cross multiply
311,802.68x = 430,000.66 × 204,333.68 - Step 4: Simplify right side
311,802.68x = 87,863,617,260.23 - Step 5: Solve for x
x = 87,863,617,260.23/311,802.68 - Step 6: Final answer
x = 281,792.37
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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.