Finding the Fourth Proportional to 347,403.36, 479,382.72 and 194,432.44
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Solution
The fourth proportional to 347,403.36, 479,382.72 and 194,432.44 is: 268,297.78
Step by Step Solution
- Step 1: Write the proportion equation
347,403.36 : 479,382.72 = 194,432.44 : x - Step 2: Convert to fraction form
347,403.36/479,382.72 = 194,432.44/x - Step 3: Cross multiply
347,403.36x = 479,382.72 × 194,432.44 - Step 4: Simplify right side
347,403.36x = 93,207,551,943.44 - Step 5: Solve for x
x = 93,207,551,943.44/347,403.36 - Step 6: Final answer
x = 268,297.78
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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.