Finding the Fourth Proportional to 134,867.38, 202,425.62 and 126,729.68
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Solution
The fourth proportional to 134,867.38, 202,425.62 and 126,729.68 is: 190,211.55
Step by Step Solution
- Step 1: Write the proportion equation
134,867.38 : 202,425.62 = 126,729.68 : x - Step 2: Convert to fraction form
134,867.38/202,425.62 = 126,729.68/x - Step 3: Cross multiply
134,867.38x = 202,425.62 × 126,729.68 - Step 4: Simplify right side
134,867.38x = 25,653,334,046.40 - Step 5: Solve for x
x = 25,653,334,046.40/134,867.38 - Step 6: Final answer
x = 190,211.55
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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.