Finding the Fourth Proportional to 207,908.02, 312,387.54 and 199,500.49
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Solution
The fourth proportional to 207,908.02, 312,387.54 and 199,500.49 is: 299,754.99
Step by Step Solution
- Step 1: Write the proportion equation
207,908.02 : 312,387.54 = 199,500.49 : x - Step 2: Convert to fraction form
207,908.02/312,387.54 = 199,500.49/x - Step 3: Cross multiply
207,908.02x = 312,387.54 × 199,500.49 - Step 4: Simplify right side
207,908.02x = 62,321,467,299.89 - Step 5: Solve for x
x = 62,321,467,299.89/207,908.02 - Step 6: Final answer
x = 299,754.99
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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.