Finding the Fourth Proportional to 207,375.40, 310,832.70 and 89,026.60
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Solution
The fourth proportional to 207,375.40, 310,832.70 and 89,026.60 is: 133,440.99
Step by Step Solution
- Step 1: Write the proportion equation
207,375.40 : 310,832.70 = 89,026.60 : x - Step 2: Convert to fraction form
207,375.40/310,832.70 = 89,026.60/x - Step 3: Cross multiply
207,375.40x = 310,832.70 × 89,026.60 - Step 4: Simplify right side
207,375.40x = 27,672,378,449.82 - Step 5: Solve for x
x = 27,672,378,449.82/207,375.40 - Step 6: Final answer
x = 133,440.99
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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.