Finding the Fourth Proportional to 186,454.66, 279,573.99 and 127,361.74
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Solution
The fourth proportional to 186,454.66, 279,573.99 and 127,361.74 is: 190,968.84
Step by Step Solution
- Step 1: Write the proportion equation
186,454.66 : 279,573.99 = 127,361.74 : x - Step 2: Convert to fraction form
186,454.66/279,573.99 = 127,361.74/x - Step 3: Cross multiply
186,454.66x = 279,573.99 × 127,361.74 - Step 4: Simplify right side
186,454.66x = 35,607,029,825.14 - Step 5: Solve for x
x = 35,607,029,825.14/186,454.66 - Step 6: Final answer
x = 190,968.84
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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.