Finding the Fourth Proportional to 248,586.21, 343,037.16 and 141,142.14
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Solution
The fourth proportional to 248,586.21, 343,037.16 and 141,142.14 is: 194,769.45
Step by Step Solution
- Step 1: Write the proportion equation
248,586.21 : 343,037.16 = 141,142.14 : x - Step 2: Convert to fraction form
248,586.21/343,037.16 = 141,142.14/x - Step 3: Cross multiply
248,586.21x = 343,037.16 × 141,142.14 - Step 4: Simplify right side
248,586.21x = 48,416,998,861.92 - Step 5: Solve for x
x = 48,416,998,861.92/248,586.21 - Step 6: Final answer
x = 194,769.45
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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.