Finding the Fourth Proportional to 199,329.43, 299,103.50 and 80,968.99
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Solution
The fourth proportional to 199,329.43, 299,103.50 and 80,968.99 is: 121,497.91
Step by Step Solution
- Step 1: Write the proportion equation
199,329.43 : 299,103.50 = 80,968.99 : x - Step 2: Convert to fraction form
199,329.43/299,103.50 = 80,968.99/x - Step 3: Cross multiply
199,329.43x = 299,103.50 × 80,968.99 - Step 4: Simplify right side
199,329.43x = 24,218,108,300.47 - Step 5: Solve for x
x = 24,218,108,300.47/199,329.43 - Step 6: Final answer
x = 121,497.91
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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.