Finding the Fourth Proportional to 212,080.44, 292,676.64 and 115,290.84
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Solution
The fourth proportional to 212,080.44, 292,676.64 and 115,290.84 is: 159,104.42
Step by Step Solution
- Step 1: Write the proportion equation
212,080.44 : 292,676.64 = 115,290.84 : x - Step 2: Convert to fraction form
212,080.44/292,676.64 = 115,290.84/x - Step 3: Cross multiply
212,080.44x = 292,676.64 × 115,290.84 - Step 4: Simplify right side
212,080.44x = 33,742,935,673.98 - Step 5: Solve for x
x = 33,742,935,673.98/212,080.44 - Step 6: Final answer
x = 159,104.42
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1.5x scale
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.