Finding the Fourth Proportional to 341,889.48, 471,711.40 and 196,687.68
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Solution
The fourth proportional to 341,889.48, 471,711.40 and 196,687.68 is: 271,373.72
Step by Step Solution
- Step 1: Write the proportion equation
341,889.48 : 471,711.40 = 196,687.68 : x - Step 2: Convert to fraction form
341,889.48/471,711.40 = 196,687.68/x - Step 3: Cross multiply
341,889.48x = 471,711.40 × 196,687.68 - Step 4: Simplify right side
341,889.48x = 92,779,820,895.55 - Step 5: Solve for x
x = 92,779,820,895.55/341,889.48 - Step 6: Final answer
x = 271,373.72
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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.