Finding the Fourth Proportional to 207,546.40, 311,319.60 and 187,207.30
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Solution
The fourth proportional to 207,546.40, 311,319.60 and 187,207.30 is: 280,810.95
Step by Step Solution
- Step 1: Write the proportion equation
207,546.40 : 311,319.60 = 187,207.30 : x - Step 2: Convert to fraction form
207,546.40/311,319.60 = 187,207.30/x - Step 3: Cross multiply
207,546.40x = 311,319.60 × 187,207.30 - Step 4: Simplify right side
207,546.40x = 58,281,301,753.08 - Step 5: Solve for x
x = 58,281,301,753.08/207,546.40 - Step 6: Final answer
x = 280,810.95
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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.