Finding the Fourth Proportional to 149,682.75, 206,562.47 and 82,614.75
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Solution
The fourth proportional to 149,682.75, 206,562.47 and 82,614.75 is: 114,008.50
Step by Step Solution
- Step 1: Write the proportion equation
149,682.75 : 206,562.47 = 82,614.75 : x - Step 2: Convert to fraction form
149,682.75/206,562.47 = 82,614.75/x - Step 3: Cross multiply
149,682.75x = 206,562.47 × 82,614.75 - Step 4: Simplify right side
149,682.75x = 17,065,106,405.36 - Step 5: Solve for x
x = 17,065,106,405.36/149,682.75 - Step 6: Final answer
x = 114,008.50
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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.