Finding the Fourth Proportional to 201,777.66, 278,449.11 and 126,367.74
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Solution
The fourth proportional to 201,777.66, 278,449.11 and 126,367.74 is: 174,384.94
Step by Step Solution
- Step 1: Write the proportion equation
201,777.66 : 278,449.11 = 126,367.74 : x - Step 2: Convert to fraction form
201,777.66/278,449.11 = 126,367.74/x - Step 3: Cross multiply
201,777.66x = 278,449.11 × 126,367.74 - Step 4: Simplify right side
201,777.66x = 35,186,984,735.71 - Step 5: Solve for x
x = 35,186,984,735.71/201,777.66 - Step 6: Final answer
x = 174,384.94
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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.