Finding the Fourth Proportional to 227,457.64, 313,790.07 and 131,908.99
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Solution
The fourth proportional to 227,457.64, 313,790.07 and 131,908.99 is: 181,975.56
Step by Step Solution
- Step 1: Write the proportion equation
227,457.64 : 313,790.07 = 131,908.99 : x - Step 2: Convert to fraction form
227,457.64/313,790.07 = 131,908.99/x - Step 3: Cross multiply
227,457.64x = 313,790.07 × 131,908.99 - Step 4: Simplify right side
227,457.64x = 41,391,731,205.73 - Step 5: Solve for x
x = 41,391,731,205.73/227,457.64 - Step 6: Final answer
x = 181,975.56
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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.