Finding the Fourth Proportional to 395,819.19, 593,503.84 and 155,803.01
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Solution
The fourth proportional to 395,819.19, 593,503.84 and 155,803.01 is: 233,615.96
Step by Step Solution
- Step 1: Write the proportion equation
395,819.19 : 593,503.84 = 155,803.01 : x - Step 2: Convert to fraction form
395,819.19/593,503.84 = 155,803.01/x - Step 3: Cross multiply
395,819.19x = 593,503.84 × 155,803.01 - Step 4: Simplify right side
395,819.19x = 92,469,680,972.02 - Step 5: Solve for x
x = 92,469,680,972.02/395,819.19 - Step 6: Final answer
x = 233,615.96
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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.