Finding the Fourth Proportional to 395,788.80, 593,625.60 and 115,276.80
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Solution
The fourth proportional to 395,788.80, 593,625.60 and 115,276.80 is: 172,898.42
Step by Step Solution
- Step 1: Write the proportion equation
395,788.80 : 593,625.60 = 115,276.80 : x - Step 2: Convert to fraction form
395,788.80/593,625.60 = 115,276.80/x - Step 3: Cross multiply
395,788.80x = 593,625.60 × 115,276.80 - Step 4: Simplify right side
395,788.80x = 68,431,259,566.08 - Step 5: Solve for x
x = 68,431,259,566.08/395,788.80 - Step 6: Final answer
x = 172,898.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.