Finding the Fourth Proportional to 198,687.17, 298,031.43 and 48,930.99
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Solution
The fourth proportional to 198,687.17, 298,031.43 and 48,930.99 is: 73,396.65
Step by Step Solution
- Step 1: Write the proportion equation
198,687.17 : 298,031.43 = 48,930.99 : x - Step 2: Convert to fraction form
198,687.17/298,031.43 = 48,930.99/x - Step 3: Cross multiply
198,687.17x = 298,031.43 × 48,930.99 - Step 4: Simplify right side
198,687.17x = 14,582,972,921.02 - Step 5: Solve for x
x = 14,582,972,921.02/198,687.17 - Step 6: Final answer
x = 73,396.65
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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.