Finding the Fourth Proportional to 316,365.20, 436,583.97 and 173,125.29
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Solution
The fourth proportional to 316,365.20, 436,583.97 and 173,125.29 is: 238,912.90
Step by Step Solution
- Step 1: Write the proportion equation
316,365.20 : 436,583.97 = 173,125.29 : x - Step 2: Convert to fraction form
316,365.20/436,583.97 = 173,125.29/x - Step 3: Cross multiply
316,365.20x = 436,583.97 × 173,125.29 - Step 4: Simplify right side
316,365.20x = 75,583,726,415.60 - Step 5: Solve for x
x = 75,583,726,415.60/316,365.20 - Step 6: Final answer
x = 238,912.90
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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.