Finding the Fourth Proportional to 316,608.44, 436,929.56 and 173,382.08
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Solution
The fourth proportional to 316,608.44, 436,929.56 and 173,382.08 is: 239,272.70
Step by Step Solution
- Step 1: Write the proportion equation
316,608.44 : 436,929.56 = 173,382.08 : x - Step 2: Convert to fraction form
316,608.44/436,929.56 = 173,382.08/x - Step 3: Cross multiply
316,608.44x = 436,929.56 × 173,382.08 - Step 4: Simplify right side
316,608.44x = 75,755,755,926.28 - Step 5: Solve for x
x = 75,755,755,926.28/316,608.44 - Step 6: Final answer
x = 239,272.70
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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.