Finding the Fourth Proportional to 208,478.52, 312,715.17 and 50,707.08
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Solution
The fourth proportional to 208,478.52, 312,715.17 and 50,707.08 is: 76,059.99
Step by Step Solution
- Step 1: Write the proportion equation
208,478.52 : 312,715.17 = 50,707.08 : x - Step 2: Convert to fraction form
208,478.52/312,715.17 = 50,707.08/x - Step 3: Cross multiply
208,478.52x = 312,715.17 × 50,707.08 - Step 4: Simplify right side
208,478.52x = 15,856,873,142.40 - Step 5: Solve for x
x = 15,856,873,142.40/208,478.52 - Step 6: Final answer
x = 76,059.99
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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.