Finding the Fourth Proportional to 208,319.76, 312,480.06 and 75,293.96
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Solution
The fourth proportional to 208,319.76, 312,480.06 and 75,293.96 is: 112,941.09
Step by Step Solution
- Step 1: Write the proportion equation
208,319.76 : 312,480.06 = 75,293.96 : x - Step 2: Convert to fraction form
208,319.76/312,480.06 = 75,293.96/x - Step 3: Cross multiply
208,319.76x = 312,480.06 × 75,293.96 - Step 4: Simplify right side
208,319.76x = 23,527,861,138.44 - Step 5: Solve for x
x = 23,527,861,138.44/208,319.76 - Step 6: Final answer
x = 112,941.09
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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.