Finding the Fourth Proportional to 239,800.91, 331,023.80 and 163,571.63
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Solution
The fourth proportional to 239,800.91, 331,023.80 and 163,571.63 is: 225,796.06
Step by Step Solution
- Step 1: Write the proportion equation
239,800.91 : 331,023.80 = 163,571.63 : x - Step 2: Convert to fraction form
239,800.91/331,023.80 = 163,571.63/x - Step 3: Cross multiply
239,800.91x = 331,023.80 × 163,571.63 - Step 4: Simplify right side
239,800.91x = 54,146,101,716.94 - Step 5: Solve for x
x = 54,146,101,716.94/239,800.91 - Step 6: Final answer
x = 225,796.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.