Finding the Fourth Proportional to 170,471.84, 255,736.44 and 52,115.48
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Solution
The fourth proportional to 170,471.84, 255,736.44 and 52,115.48 is: 78,181.99
Step by Step Solution
- Step 1: Write the proportion equation
170,471.84 : 255,736.44 = 52,115.48 : x - Step 2: Convert to fraction form
170,471.84/255,736.44 = 52,115.48/x - Step 3: Cross multiply
170,471.84x = 255,736.44 × 52,115.48 - Step 4: Simplify right side
170,471.84x = 13,327,827,324.09 - Step 5: Solve for x
x = 13,327,827,324.09/170,471.84 - Step 6: Final answer
x = 78,181.99
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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.