Finding the Fourth Proportional to 217,492.99, 326,366.49 and 91,122.44
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Solution
The fourth proportional to 217,492.99, 326,366.49 and 91,122.44 is: 136,736.87
Step by Step Solution
- Step 1: Write the proportion equation
217,492.99 : 326,366.49 = 91,122.44 : x - Step 2: Convert to fraction form
217,492.99/326,366.49 = 91,122.44/x - Step 3: Cross multiply
217,492.99x = 326,366.49 × 91,122.44 - Step 4: Simplify right side
217,492.99x = 29,739,309,612.91 - Step 5: Solve for x
x = 29,739,309,612.91/217,492.99 - Step 6: Final answer
x = 136,736.87
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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.