Finding the Fourth Proportional to 208,250.36, 287,385.68 and 112,757.12
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Solution
The fourth proportional to 208,250.36, 287,385.68 and 112,757.12 is: 155,604.92
Step by Step Solution
- Step 1: Write the proportion equation
208,250.36 : 287,385.68 = 112,757.12 : x - Step 2: Convert to fraction form
208,250.36/287,385.68 = 112,757.12/x - Step 3: Cross multiply
208,250.36x = 287,385.68 × 112,757.12 - Step 4: Simplify right side
208,250.36x = 32,404,781,606.04 - Step 5: Solve for x
x = 32,404,781,606.04/208,250.36 - Step 6: Final answer
x = 155,604.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.