Finding the Fourth Proportional to 385,802.82, 578,704.29 and 161,040.65
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Solution
The fourth proportional to 385,802.82, 578,704.29 and 161,040.65 is: 241,560.99
Step by Step Solution
- Step 1: Write the proportion equation
385,802.82 : 578,704.29 = 161,040.65 : x - Step 2: Convert to fraction form
385,802.82/578,704.29 = 161,040.65/x - Step 3: Cross multiply
385,802.82x = 578,704.29 × 161,040.65 - Step 4: Simplify right side
385,802.82x = 93,194,912,125.87 - Step 5: Solve for x
x = 93,194,912,125.87/385,802.82 - Step 6: Final answer
x = 241,560.99
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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.