Finding the Fourth Proportional to 395,556.16, 593,370.68 and 129,318.08
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Solution
The fourth proportional to 395,556.16, 593,370.68 and 129,318.08 is: 193,989.03
Step by Step Solution
- Step 1: Write the proportion equation
395,556.16 : 593,370.68 = 129,318.08 : x - Step 2: Convert to fraction form
395,556.16/593,370.68 = 129,318.08/x - Step 3: Cross multiply
395,556.16x = 593,370.68 × 129,318.08 - Step 4: Simplify right side
395,556.16x = 76,733,557,065.89 - Step 5: Solve for x
x = 76,733,557,065.89/395,556.16 - Step 6: Final answer
x = 193,989.03
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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.