Finding the Fourth Proportional to 168,176.36, 252,238.62 and 74,665.64
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Solution
The fourth proportional to 168,176.36, 252,238.62 and 74,665.64 is: 111,986.95
Step by Step Solution
- Step 1: Write the proportion equation
168,176.36 : 252,238.62 = 74,665.64 : x - Step 2: Convert to fraction form
168,176.36/252,238.62 = 74,665.64/x - Step 3: Cross multiply
168,176.36x = 252,238.62 × 74,665.64 - Step 4: Simplify right side
168,176.36x = 18,833,557,995.02 - Step 5: Solve for x
x = 18,833,557,995.02/168,176.36 - Step 6: Final answer
x = 111,986.95
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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.