Finding the Fourth Proportional to 349,381.09, 482,162.99 and 196,467.42
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Solution
The fourth proportional to 349,381.09, 482,162.99 and 196,467.42 is: 271,134.65
Step by Step Solution
- Step 1: Write the proportion equation
349,381.09 : 482,162.99 = 196,467.42 : x - Step 2: Convert to fraction form
349,381.09/482,162.99 = 196,467.42/x - Step 3: Cross multiply
349,381.09x = 482,162.99 × 196,467.42 - Step 4: Simplify right side
349,381.09x = 94,729,318,664.79 - Step 5: Solve for x
x = 94,729,318,664.79/349,381.09 - Step 6: Final answer
x = 271,134.65
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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.