Finding the Fourth Proportional to 393,481.74, 590,059.64 and 123,519.68
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Solution
The fourth proportional to 393,481.74, 590,059.64 and 123,519.68 is: 185,228.35
Step by Step Solution
- Step 1: Write the proportion equation
393,481.74 : 590,059.64 = 123,519.68 : x - Step 2: Convert to fraction form
393,481.74/590,059.64 = 123,519.68/x - Step 3: Cross multiply
393,481.74x = 590,059.64 × 123,519.68 - Step 4: Simplify right side
393,481.74x = 72,883,975,272.22 - Step 5: Solve for x
x = 72,883,975,272.22/393,481.74 - Step 6: Final answer
x = 185,228.35
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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.