Finding the Fourth Proportional to 179,663.21, 269,681.74 and 132,331.75
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Solution
The fourth proportional to 179,663.21, 269,681.74 and 132,331.75 is: 198,635.31
Step by Step Solution
- Step 1: Write the proportion equation
179,663.21 : 269,681.74 = 132,331.75 : x - Step 2: Convert to fraction form
179,663.21/269,681.74 = 132,331.75/x - Step 3: Cross multiply
179,663.21x = 269,681.74 × 132,331.75 - Step 4: Simplify right side
179,663.21x = 35,687,456,597.25 - Step 5: Solve for x
x = 35,687,456,597.25/179,663.21 - Step 6: Final answer
x = 198,635.31
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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.