Finding the Fourth Proportional to 395,353.81, 593,344.38 and 205,868.08
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Solution
The fourth proportional to 395,353.81, 593,344.38 and 205,868.08 is: 308,965.45
Step by Step Solution
- Step 1: Write the proportion equation
395,353.81 : 593,344.38 = 205,868.08 : x - Step 2: Convert to fraction form
395,353.81/593,344.38 = 205,868.08/x - Step 3: Cross multiply
395,353.81x = 593,344.38 × 205,868.08 - Step 4: Simplify right side
395,353.81x = 122,150,665,322.67 - Step 5: Solve for x
x = 122,150,665,322.67/395,353.81 - Step 6: Final answer
x = 308,965.45
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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.