Finding the Fourth Proportional to 347,249.68, 479,223.20 and 194,278.74
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Solution
The fourth proportional to 347,249.68, 479,223.20 and 194,278.74 is: 268,115.09
Step by Step Solution
- Step 1: Write the proportion equation
347,249.68 : 479,223.20 = 194,278.74 : x - Step 2: Convert to fraction form
347,249.68/479,223.20 = 194,278.74/x - Step 3: Cross multiply
347,249.68x = 479,223.20 × 194,278.74 - Step 4: Simplify right side
347,249.68x = 93,102,879,474.77 - Step 5: Solve for x
x = 93,102,879,474.77/347,249.68 - Step 6: Final answer
x = 268,115.09
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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.