Finding the Fourth Proportional to 165,449.87, 248,080.65 and 112,922.99
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Solution
The fourth proportional to 165,449.87, 248,080.65 and 112,922.99 is: 169,320.22
Step by Step Solution
- Step 1: Write the proportion equation
165,449.87 : 248,080.65 = 112,922.99 : x - Step 2: Convert to fraction form
165,449.87/248,080.65 = 112,922.99/x - Step 3: Cross multiply
165,449.87x = 248,080.65 × 112,922.99 - Step 4: Simplify right side
165,449.87x = 28,014,008,194.53 - Step 5: Solve for x
x = 28,014,008,194.53/165,449.87 - Step 6: Final answer
x = 169,320.22
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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.