Finding the Fourth Proportional to 169,839.24, 254,764.56 and 76,345.26
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Solution
The fourth proportional to 169,839.24, 254,764.56 and 76,345.26 is: 114,520.45
Step by Step Solution
- Step 1: Write the proportion equation
169,839.24 : 254,764.56 = 76,345.26 : x - Step 2: Convert to fraction form
169,839.24/254,764.56 = 76,345.26/x - Step 3: Cross multiply
169,839.24x = 254,764.56 × 76,345.26 - Step 4: Simplify right side
169,839.24x = 19,450,066,571.99 - Step 5: Solve for x
x = 19,450,066,571.99/169,839.24 - Step 6: Final answer
x = 114,520.45
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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.