Finding the Fourth Proportional to 136,191.58, 204,288.26 and 47,446.75
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Solution
The fourth proportional to 136,191.58, 204,288.26 and 47,446.75 is: 71,170.43
Step by Step Solution
- Step 1: Write the proportion equation
136,191.58 : 204,288.26 = 47,446.75 : x - Step 2: Convert to fraction form
136,191.58/204,288.26 = 47,446.75/x - Step 3: Cross multiply
136,191.58x = 204,288.26 × 47,446.75 - Step 4: Simplify right side
136,191.58x = 9,692,813,762.92 - Step 5: Solve for x
x = 9,692,813,762.92/136,191.58 - Step 6: Final answer
x = 71,170.43
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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.