Finding the Fourth Proportional to 208,097.10, 312,088.05 and 83,450.70
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Solution
The fourth proportional to 208,097.10, 312,088.05 and 83,450.70 is: 125,152.95
Step by Step Solution
- Step 1: Write the proportion equation
208,097.10 : 312,088.05 = 83,450.70 : x - Step 2: Convert to fraction form
208,097.10/312,088.05 = 83,450.70/x - Step 3: Cross multiply
208,097.10x = 312,088.05 × 83,450.70 - Step 4: Simplify right side
208,097.10x = 26,043,966,234.14 - Step 5: Solve for x
x = 26,043,966,234.14/208,097.10 - Step 6: Final answer
x = 125,152.95
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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.