Finding the Fourth Proportional to 208,414.08, 312,557.28 and 75,277.92
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Solution
The fourth proportional to 208,414.08, 312,557.28 and 75,277.92 is: 112,893.82
Step by Step Solution
- Step 1: Write the proportion equation
208,414.08 : 312,557.28 = 75,277.92 : x - Step 2: Convert to fraction form
208,414.08/312,557.28 = 75,277.92/x - Step 3: Cross multiply
208,414.08x = 312,557.28 × 75,277.92 - Step 4: Simplify right side
208,414.08x = 23,528,661,919.26 - Step 5: Solve for x
x = 23,528,661,919.26/208,414.08 - Step 6: Final answer
x = 112,893.82
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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.