Finding the Fourth Proportional to 385,497.74, 532,042.56 and 222,122.98
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Solution
The fourth proportional to 385,497.74, 532,042.56 and 222,122.98 is: 306,561.79
Step by Step Solution
- Step 1: Write the proportion equation
385,497.74 : 532,042.56 = 222,122.98 : x - Step 2: Convert to fraction form
385,497.74/532,042.56 = 222,122.98/x - Step 3: Cross multiply
385,497.74x = 532,042.56 × 222,122.98 - Step 4: Simplify right side
385,497.74x = 118,178,876,253.82 - Step 5: Solve for x
x = 118,178,876,253.82/385,497.74 - Step 6: Final answer
x = 306,561.79
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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.