Finding the Fourth Proportional to 253,107.78, 379,668.48 and 110,879.88
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Solution
The fourth proportional to 253,107.78, 379,668.48 and 110,879.88 is: 166,322.80
Step by Step Solution
- Step 1: Write the proportion equation
253,107.78 : 379,668.48 = 110,879.88 : x - Step 2: Convert to fraction form
253,107.78/379,668.48 = 110,879.88/x - Step 3: Cross multiply
253,107.78x = 379,668.48 × 110,879.88 - Step 4: Simplify right side
253,107.78x = 42,097,595,502.18 - Step 5: Solve for x
x = 42,097,595,502.18/253,107.78 - Step 6: Final answer
x = 166,322.80
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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.