Finding the Fourth Proportional to 347,578.17, 479,644.56 and 194,602.05
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Solution
The fourth proportional to 347,578.17, 479,644.56 and 194,602.05 is: 268,543.37
Step by Step Solution
- Step 1: Write the proportion equation
347,578.17 : 479,644.56 = 194,602.05 : x - Step 2: Convert to fraction form
347,578.17/479,644.56 = 194,602.05/x - Step 3: Cross multiply
347,578.17x = 479,644.56 × 194,602.05 - Step 4: Simplify right side
347,578.17x = 93,339,814,647.35 - Step 5: Solve for x
x = 93,339,814,647.35/347,578.17 - Step 6: Final answer
x = 268,543.37
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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.