Finding the Fourth Proportional to 189,554.57, 284,326.36 and 77,206.99
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Solution
The fourth proportional to 189,554.57, 284,326.36 and 77,206.99 is: 115,808.25
Step by Step Solution
- Step 1: Write the proportion equation
189,554.57 : 284,326.36 = 77,206.99 : x - Step 2: Convert to fraction form
189,554.57/284,326.36 = 77,206.99/x - Step 3: Cross multiply
189,554.57x = 284,326.36 × 77,206.99 - Step 4: Simplify right side
189,554.57x = 21,951,981,529.42 - Step 5: Solve for x
x = 21,951,981,529.42/189,554.57 - Step 6: Final answer
x = 115,808.25
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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.