Finding the Fourth Proportional to 208,794.26, 288,136.84 and 113,300.95
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Solution
The fourth proportional to 208,794.26, 288,136.84 and 113,300.95 is: 156,355.72
Step by Step Solution
- Step 1: Write the proportion equation
208,794.26 : 288,136.84 = 113,300.95 : x - Step 2: Convert to fraction form
208,794.26/288,136.84 = 113,300.95/x - Step 3: Cross multiply
208,794.26x = 288,136.84 × 113,300.95 - Step 4: Simplify right side
208,794.26x = 32,646,177,702.00 - Step 5: Solve for x
x = 32,646,177,702.00/208,794.26 - Step 6: Final answer
x = 156,355.72
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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.