Finding the Fourth Proportional to 207,356.06, 311,034.10 and 102,380.06
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Solution
The fourth proportional to 207,356.06, 311,034.10 and 102,380.06 is: 153,570.09
Step by Step Solution
- Step 1: Write the proportion equation
207,356.06 : 311,034.10 = 102,380.06 : x - Step 2: Convert to fraction form
207,356.06/311,034.10 = 102,380.06/x - Step 3: Cross multiply
207,356.06x = 311,034.10 × 102,380.06 - Step 4: Simplify right side
207,356.06x = 31,843,689,820.05 - Step 5: Solve for x
x = 31,843,689,820.05/207,356.06 - Step 6: Final answer
x = 153,570.09
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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.