Finding the Fourth Proportional to 171,159.44, 256,799.97 and 76,380.99
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Solution
The fourth proportional to 171,159.44, 256,799.97 and 76,380.99 is: 114,598.63
Step by Step Solution
- Step 1: Write the proportion equation
171,159.44 : 256,799.97 = 76,380.99 : x - Step 2: Convert to fraction form
171,159.44/256,799.97 = 76,380.99/x - Step 3: Cross multiply
171,159.44x = 256,799.97 × 76,380.99 - Step 4: Simplify right side
171,159.44x = 19,614,635,940.57 - Step 5: Solve for x
x = 19,614,635,940.57/171,159.44 - Step 6: Final answer
x = 114,598.63
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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.