Finding the Fourth Proportional to 204,861.36, 282,944.08 and 136,759.76
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Solution
The fourth proportional to 204,861.36, 282,944.08 and 136,759.76 is: 188,885.62
Step by Step Solution
- Step 1: Write the proportion equation
204,861.36 : 282,944.08 = 136,759.76 : x - Step 2: Convert to fraction form
204,861.36/282,944.08 = 136,759.76/x - Step 3: Cross multiply
204,861.36x = 282,944.08 × 136,759.76 - Step 4: Simplify right side
204,861.36x = 38,695,364,474.22 - Step 5: Solve for x
x = 38,695,364,474.22/204,861.36 - Step 6: Final answer
x = 188,885.62
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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.