Finding the Fourth Proportional to 216,739.29, 299,102.02 and 126,147.68
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Solution
The fourth proportional to 216,739.29, 299,102.02 and 126,147.68 is: 174,084.84
Step by Step Solution
- Step 1: Write the proportion equation
216,739.29 : 299,102.02 = 126,147.68 : x - Step 2: Convert to fraction form
216,739.29/299,102.02 = 126,147.68/x - Step 3: Cross multiply
216,739.29x = 299,102.02 × 126,147.68 - Step 4: Simplify right side
216,739.29x = 37,731,025,217.07 - Step 5: Solve for x
x = 37,731,025,217.07/216,739.29 - Step 6: Final answer
x = 174,084.84
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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.