Finding the Fourth Proportional to 347,439.41, 479,444.20 and 194,451.84
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Solution
The fourth proportional to 347,439.41, 479,444.20 and 194,451.84 is: 268,331.12
Step by Step Solution
- Step 1: Write the proportion equation
347,439.41 : 479,444.20 = 194,451.84 : x - Step 2: Convert to fraction form
347,439.41/479,444.20 = 194,451.84/x - Step 3: Cross multiply
347,439.41x = 479,444.20 × 194,451.84 - Step 4: Simplify right side
347,439.41x = 93,228,806,381.20 - Step 5: Solve for x
x = 93,228,806,381.20/347,439.41 - Step 6: Final answer
x = 268,331.12
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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.