Finding the Fourth Proportional to 395,449.21, 593,274.93 and 114,966.46
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Solution
The fourth proportional to 395,449.21, 593,274.93 and 114,966.46 is: 172,479.09
Step by Step Solution
- Step 1: Write the proportion equation
395,449.21 : 593,274.93 = 114,966.46 : x - Step 2: Convert to fraction form
395,449.21/593,274.93 = 114,966.46/x - Step 3: Cross multiply
395,449.21x = 593,274.93 × 114,966.46 - Step 4: Simplify right side
395,449.21x = 68,206,718,508.85 - Step 5: Solve for x
x = 68,206,718,508.85/395,449.21 - Step 6: Final answer
x = 172,479.09
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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.