Finding the Fourth Proportional to 199,780.68, 299,571.93 and 73,415.82
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Solution
The fourth proportional to 199,780.68, 299,571.93 and 73,415.82 is: 110,087.32
Step by Step Solution
- Step 1: Write the proportion equation
199,780.68 : 299,571.93 = 73,415.82 : x - Step 2: Convert to fraction form
199,780.68/299,571.93 = 73,415.82/x - Step 3: Cross multiply
199,780.68x = 299,571.93 × 73,415.82 - Step 4: Simplify right side
199,780.68x = 21,993,318,889.93 - Step 5: Solve for x
x = 21,993,318,889.93/199,780.68 - Step 6: Final answer
x = 110,087.32
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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.