Finding the Fourth Proportional to 395,461.80, 593,135.10 and 114,949.80
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Solution
The fourth proportional to 395,461.80, 593,135.10 and 114,949.80 is: 172,407.96
Step by Step Solution
- Step 1: Write the proportion equation
395,461.80 : 593,135.10 = 114,949.80 : x - Step 2: Convert to fraction form
395,461.80/593,135.10 = 114,949.80/x - Step 3: Cross multiply
395,461.80x = 593,135.10 × 114,949.80 - Step 4: Simplify right side
395,461.80x = 68,180,761,117.98 - Step 5: Solve for x
x = 68,180,761,117.98/395,461.80 - Step 6: Final answer
x = 172,407.96
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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.