Finding the Fourth Proportional to 165,455.91, 248,183.89 and 115,633.32
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Solution
The fourth proportional to 165,455.91, 248,183.89 and 115,633.32 is: 173,449.99
Step by Step Solution
- Step 1: Write the proportion equation
165,455.91 : 248,183.89 = 115,633.32 : x - Step 2: Convert to fraction form
165,455.91/248,183.89 = 115,633.32/x - Step 3: Cross multiply
165,455.91x = 248,183.89 × 115,633.32 - Step 4: Simplify right side
165,455.91x = 28,698,325,951.44 - Step 5: Solve for x
x = 28,698,325,951.44/165,455.91 - Step 6: Final answer
x = 173,449.99
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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.