Finding the Fourth Proportional to 112,276.26, 168,421.68 and 33,383.88
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Solution
The fourth proportional to 112,276.26, 168,421.68 and 33,383.88 is: 50,077.99
Step by Step Solution
- Step 1: Write the proportion equation
112,276.26 : 168,421.68 = 33,383.88 : x - Step 2: Convert to fraction form
112,276.26/168,421.68 = 33,383.88/x - Step 3: Cross multiply
112,276.26x = 168,421.68 × 33,383.88 - Step 4: Simplify right side
112,276.26x = 5,622,569,154.52 - Step 5: Solve for x
x = 5,622,569,154.52/112,276.26 - Step 6: Final answer
x = 50,077.99
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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.