Finding the Fourth Proportional to 168,786.08, 232,845.44 and 120,398.68
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Solution
The fourth proportional to 168,786.08, 232,845.44 and 120,398.68 is: 166,093.58
Step by Step Solution
- Step 1: Write the proportion equation
168,786.08 : 232,845.44 = 120,398.68 : x - Step 2: Convert to fraction form
168,786.08/232,845.44 = 120,398.68/x - Step 3: Cross multiply
168,786.08x = 232,845.44 × 120,398.68 - Step 4: Simplify right side
168,786.08x = 28,034,283,620.02 - Step 5: Solve for x
x = 28,034,283,620.02/168,786.08 - Step 6: Final answer
x = 166,093.58
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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.