Finding the Fourth Proportional to 395,998.44, 593,937.51 and 129,753.06
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Solution
The fourth proportional to 395,998.44, 593,937.51 and 129,753.06 is: 194,609.88
Step by Step Solution
- Step 1: Write the proportion equation
395,998.44 : 593,937.51 = 129,753.06 : x - Step 2: Convert to fraction form
395,998.44/593,937.51 = 129,753.06/x - Step 3: Cross multiply
395,998.44x = 593,937.51 × 129,753.06 - Step 4: Simplify right side
395,998.44x = 77,065,209,371.28 - Step 5: Solve for x
x = 77,065,209,371.28/395,998.44 - Step 6: Final answer
x = 194,609.88
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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.