Finding the Fourth Proportional to 181,593.76, 272,229.36 and 70,759.84
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Solution
The fourth proportional to 181,593.76, 272,229.36 and 70,759.84 is: 106,076.92
Step by Step Solution
- Step 1: Write the proportion equation
181,593.76 : 272,229.36 = 70,759.84 : x - Step 2: Convert to fraction form
181,593.76/272,229.36 = 70,759.84/x - Step 3: Cross multiply
181,593.76x = 272,229.36 × 70,759.84 - Step 4: Simplify right side
181,593.76x = 19,262,905,956.90 - Step 5: Solve for x
x = 19,262,905,956.90/181,593.76 - Step 6: Final answer
x = 106,076.92
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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.