Finding the Fourth Proportional to 319,798.26, 441,321.48 and 176,568.12
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Solution
The fourth proportional to 319,798.26, 441,321.48 and 176,568.12 is: 243,663.94
Step by Step Solution
- Step 1: Write the proportion equation
319,798.26 : 441,321.48 = 176,568.12 : x - Step 2: Convert to fraction form
319,798.26/441,321.48 = 176,568.12/x - Step 3: Cross multiply
319,798.26x = 441,321.48 × 176,568.12 - Step 4: Simplify right side
319,798.26x = 77,923,304,039.22 - Step 5: Solve for x
x = 77,923,304,039.22/319,798.26 - Step 6: Final answer
x = 243,663.94
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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.