Finding the Fourth Proportional to 441,405.44, 661,946.88 and 160,839.68
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Solution
The fourth proportional to 441,405.44, 661,946.88 and 160,839.68 is: 241,200.75
Step by Step Solution
- Step 1: Write the proportion equation
441,405.44 : 661,946.88 = 160,839.68 : x - Step 2: Convert to fraction form
441,405.44/661,946.88 = 160,839.68/x - Step 3: Cross multiply
441,405.44x = 661,946.88 × 160,839.68 - Step 4: Simplify right side
441,405.44x = 106,467,324,356.20 - Step 5: Solve for x
x = 106,467,324,356.20/441,405.44 - Step 6: Final answer
x = 241,200.75
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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.