Finding the Fourth Proportional to 347,431.68, 479,451.15 and 196,528.68
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Solution
The fourth proportional to 347,431.68, 479,451.15 and 196,528.68 is: 271,206.99
Step by Step Solution
- Step 1: Write the proportion equation
347,431.68 : 479,451.15 = 196,528.68 : x - Step 2: Convert to fraction form
347,431.68/479,451.15 = 196,528.68/x - Step 3: Cross multiply
347,431.68x = 479,451.15 × 196,528.68 - Step 4: Simplify right side
347,431.68x = 94,225,901,633.98 - Step 5: Solve for x
x = 94,225,901,633.98/347,431.68 - Step 6: Final answer
x = 271,206.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.