Finding the Fourth Proportional to 316,287.44, 436,476.15 and 173,048.05
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Solution
The fourth proportional to 316,287.44, 436,476.15 and 173,048.05 is: 238,806.03
Step by Step Solution
- Step 1: Write the proportion equation
316,287.44 : 436,476.15 = 173,048.05 : x - Step 2: Convert to fraction form
316,287.44/436,476.15 = 173,048.05/x - Step 3: Cross multiply
316,287.44x = 436,476.15 × 173,048.05 - Step 4: Simplify right side
316,287.44x = 75,531,345,537.82 - Step 5: Solve for x
x = 75,531,345,537.82/316,287.44 - Step 6: Final answer
x = 238,806.03
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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.