Finding the Fourth Proportional to 327,451.74, 451,717.99 and 191,396.80
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Solution
The fourth proportional to 327,451.74, 451,717.99 and 191,396.80 is: 264,030.90
Step by Step Solution
- Step 1: Write the proportion equation
327,451.74 : 451,717.99 = 191,396.80 : x - Step 2: Convert to fraction form
327,451.74/451,717.99 = 191,396.80/x - Step 3: Cross multiply
327,451.74x = 451,717.99 × 191,396.80 - Step 4: Simplify right side
327,451.74x = 86,457,378,592.33 - Step 5: Solve for x
x = 86,457,378,592.33/327,451.74 - Step 6: Final answer
x = 264,030.90
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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.