Finding the Fourth Proportional to 319,716.36, 441,208.62 and 176,476.43
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Solution
The fourth proportional to 319,716.36, 441,208.62 and 176,476.43 is: 243,537.50
Step by Step Solution
- Step 1: Write the proportion equation
319,716.36 : 441,208.62 = 176,476.43 : x - Step 2: Convert to fraction form
319,716.36/441,208.62 = 176,476.43/x - Step 3: Cross multiply
319,716.36x = 441,208.62 × 176,476.43 - Step 4: Simplify right side
319,716.36x = 77,862,923,245.85 - Step 5: Solve for x
x = 77,862,923,245.85/319,716.36 - Step 6: Final answer
x = 243,537.50
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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.