Finding the Fourth Proportional to 217,493.49, 326,367.25 and 91,122.94
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Solution
The fourth proportional to 217,493.49, 326,367.25 and 91,122.94 is: 136,737.62
Step by Step Solution
- Step 1: Write the proportion equation
217,493.49 : 326,367.25 = 91,122.94 : x - Step 2: Convert to fraction form
217,493.49/326,367.25 = 91,122.94/x - Step 3: Cross multiply
217,493.49x = 326,367.25 × 91,122.94 - Step 4: Simplify right side
217,493.49x = 29,739,541,252.26 - Step 5: Solve for x
x = 29,739,541,252.26/217,493.49 - Step 6: Final answer
x = 136,737.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.