Finding the Fourth Proportional to 168,336.54, 252,533.97 and 74,849.58
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Solution
The fourth proportional to 168,336.54, 252,533.97 and 74,849.58 is: 112,287.34
Step by Step Solution
- Step 1: Write the proportion equation
168,336.54 : 252,533.97 = 74,849.58 : x - Step 2: Convert to fraction form
168,336.54/252,533.97 = 74,849.58/x - Step 3: Cross multiply
168,336.54x = 252,533.97 × 74,849.58 - Step 4: Simplify right side
168,336.54x = 18,902,061,590.23 - Step 5: Solve for x
x = 18,902,061,590.23/168,336.54 - Step 6: Final answer
x = 112,287.34
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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.