Finding the Fourth Proportional to 149,658.58, 206,528.97 and 82,590.58
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Solution
The fourth proportional to 149,658.58, 206,528.97 and 82,590.58 is: 113,975.07
Step by Step Solution
- Step 1: Write the proportion equation
149,658.58 : 206,528.97 = 82,590.58 : x - Step 2: Convert to fraction form
149,658.58/206,528.97 = 82,590.58/x - Step 3: Cross multiply
149,658.58x = 206,528.97 × 82,590.58 - Step 4: Simplify right side
149,658.58x = 17,057,347,419.10 - Step 5: Solve for x
x = 17,057,347,419.10/149,658.58 - Step 6: Final answer
x = 113,975.07
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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.