Finding the Fourth Proportional to 243,816.26, 336,534.06 and 141,861.41
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Solution
The fourth proportional to 243,816.26, 336,534.06 and 141,861.41 is: 195,808.09
Step by Step Solution
- Step 1: Write the proportion equation
243,816.26 : 336,534.06 = 141,861.41 : x - Step 2: Convert to fraction form
243,816.26/336,534.06 = 141,861.41/x - Step 3: Cross multiply
243,816.26x = 336,534.06 × 141,861.41 - Step 4: Simplify right side
243,816.26x = 47,741,196,375.94 - Step 5: Solve for x
x = 47,741,196,375.94/243,816.26 - Step 6: Final answer
x = 195,808.09
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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.