Finding the Fourth Proportional to 347,433.68, 479,453.90 and 196,530.68
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Solution
The fourth proportional to 347,433.68, 479,453.90 and 196,530.68 is: 271,209.75
Step by Step Solution
- Step 1: Write the proportion equation
347,433.68 : 479,453.90 = 196,530.68 : x - Step 2: Convert to fraction form
347,433.68/479,453.90 = 196,530.68/x - Step 3: Cross multiply
347,433.68x = 479,453.90 × 196,530.68 - Step 4: Simplify right side
347,433.68x = 94,227,400,995.65 - Step 5: Solve for x
x = 94,227,400,995.65/347,433.68 - Step 6: Final answer
x = 271,209.75
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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.