Finding the Fourth Proportional to 208,376.39, 312,528.14 and 58,581.08
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Solution
The fourth proportional to 208,376.39, 312,528.14 and 58,581.08 is: 87,861.37
Step by Step Solution
- Step 1: Write the proportion equation
208,376.39 : 312,528.14 = 58,581.08 : x - Step 2: Convert to fraction form
208,376.39/312,528.14 = 58,581.08/x - Step 3: Cross multiply
208,376.39x = 312,528.14 × 58,581.08 - Step 4: Simplify right side
208,376.39x = 18,308,234,116.05 - Step 5: Solve for x
x = 18,308,234,116.05/208,376.39 - Step 6: Final answer
x = 87,861.37
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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.